{"title":"Milltek Toyota GR Corolla Performance Exhaust Systems","description":"\u003cp\u003eMilltek Sport's GR Corolla range is for the 1.6 Turbo manual from 2023. It includes a primary cat-back, a secondary cat-back, a sports cat downpipe and an Active Valve Control kit, each listed once, so picking parts is mostly about how far you want to go. More GR models are in our \u003ca href=\"\/collections\/toyota-performance-exhaust-systems\"\u003eMilltek Toyota range\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"milltek-active-valve-control-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23","title":"Milltek Active Valve Control Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+","description":"\u003ch2\u003eMilltek Active Valve Control for Toyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only) (2023 onwards) – Switchable Exhaust Volume\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's active valve control system for the Toyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only). It adds an electronically-operated valve to an existing Milltek system, opening a second, less restrictive path through the silencer that stays closed for a refined, near-standard tone around town and opens under load or at the press of a button for a louder, more open sound.\u003c\/p\u003e\n\u003cp\u003eIt's the option to go for if you want the flexibility to keep the car quiet for early starts and long motorway runs, then switch to the full exhaust note whenever you actually want to hear it, without swapping any hardware.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Active Valve Control\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eToyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only) (2023 onwards)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the Toyota\/Lexus Yaris Gen 2 - GR 1.6T (OPF\/GPF Models Only), which needs the \u003ca href=\"\/products\/milltek-upgrade-kit-toyota-yaris-gen-2-gr-1-6t-opf-gpf-24\"\u003eMilltek Upgrade Kit Toyota \u0026amp; Lexus Yaris Gen 2 GR 1.6T OPF\/GPF 24+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eThis involves connecting to the car's wiring and exhaust valves, so we recommend fitting by a specialist familiar with the car's electrics.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Further\u003c\/h3\u003e\n\u003cp\u003eAlso available from Milltek for this car: \u003ca href=\"\/products\/milltek-sports-cat-downpipe-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23\"\u003eMilltek Downpipe \u0026amp; Sports Cat Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+\u003c\/a\u003e, \u003ca href=\"\/products\/milltek-secondary-cat-back-exhaust-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23\"\u003eMilltek Secondary Cat-back Exhaust Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the Toyota\/Lexus Yaris Gen 2 - GR 1.6T (OPF\/GPF Models Only)?\u003c\/h3\u003e\n\u003cp\u003eNo. For that car, choose the \u003ca href=\"\/products\/milltek-upgrade-kit-toyota-yaris-gen-2-gr-1-6t-opf-gpf-24\"\u003eMilltek Upgrade Kit Toyota \u0026amp; Lexus Yaris Gen 2 GR 1.6T OPF\/GPF 24+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWill the car be louder all the time?\u003c\/h3\u003e\n\u003cp\u003eNo. With the valve closed the tone stays close to standard; open it when you want the full exhaust note.\u003c\/p\u003e\n\u003ch3\u003eWhat does it work with?\u003c\/h3\u003e\n\u003cp\u003eMilltek notes: \"Active Valve Controller with 3 Modes - Always Open, Always Closed and OE Mode\". Check this matches your current exhaust before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs this a complete exhaust system?\u003c\/h3\u003e\n\u003cp\u003eNo. It is designed to be used with the system or factory parts described above, rather than as a complete exhaust on its own.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":56392940618113,"sku":"MIL-SSXTY229","price":365.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXAU1053_1_6413331c-38e9-4a5a-8db6-bbd978c6c51a.jpg?v=1791894757"},{"product_id":"milltek-sports-cat-downpipe-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23","title":"Milltek Sports Cat Downpipe Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+","description":"\u003ch2\u003eMilltek Downpipe \u0026amp; Sports Cat for Toyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only) (2023 onwards) – Improved Flow, Sports Catalyst\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's large-bore downpipe with hi-flow sports cat for the Toyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only). It replaces the restrictive factory downpipe with a larger-bore pipe fitted with a high-flow sports catalyst in place of the standard unit, using a less dense substrate that flows significantly better than the factory cat while still treating the exhaust gases passing through it. It's offered in fits with milltek sport secondary cat back systems includes 200CPSI catalyst in OE secondary cat position requires stage 2 ECU software or fits with OE secondary cat back systems includes 200CPSI catalyst in OE secondary cat position requires stage 2 ECU software versions, so you can pick the setup that suits how the car's used.\u003c\/p\u003e\n\u003cp\u003eIt sits between a stock downpipe and a full de-cat: a genuine flow gain suited to a Stage 1 or Stage 2 remap, without giving up the catalyst entirely the way a de-cat pipe does.\u003c\/p\u003e\n\u003cp\u003eIn the UK, a replacement catalyst on a car first registered from 1 March 2001 needs ECE R103 type-approval to be road legal, so check the EC Approved line in the specification for the version you choose.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Large Bore Downpipe and Hi-Flow Sports Cat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 76.2mm (3\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Approved:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace System:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Time:\u003c\/strong\u003e approx. 2 to 3 hours (Milltek figure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow\u003c\/li\u003e\n\u003cli\u003e76.2mm (3\") pipework\u003c\/li\u003e\n\u003cli\u003eHigh-flow sports catalyst flows better than the dense factory unit while still treating exhaust gases\u003c\/li\u003e\n\u003cli\u003eDesigned, developed and manufactured in the UK by Milltek Sport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eToyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only) (2023 onwards)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the Toyota\/Lexus Yaris Gen 2 - GR 1.6T (OPF\/GPF Models Only), which needs the \u003ca href=\"\/products\/milltek-hjs-tuning-ece-downpipes-toyota-yaris-gen-2-gr-1-6t-opf-gpf-24\"\u003eMilltek HJS Tuning ECE Downpipes Toyota \u0026amp; Lexus Yaris Gen 2 GR 1.6T OPF\/GPF 24+\u003c\/a\u003e; the Toyota\/Lexus Yaris Gen 1 - GR \u0026amp; GR Circuit Pack 1.6T (OPF\/GPF Models Only), which needs the \u003ca href=\"\/products\/milltek-hjs-tuning-ece-downpipes-toyota-yaris-gen-1-gr-circuit-pack-1-6t-opf-gpf-20-24\"\u003eMilltek HJS Tuning ECE Downpipes Toyota \u0026amp; Lexus Yaris Gen 1 GR \u0026amp; GR Circuit Pack 1.6T OPF\/GPF 20-24\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes a fitting time of approx. 2 to 3 hours. Some versions: Fits with Milltek Sport Secondary Cat Back Systems includes 200CPSI Catalyst in OE Secondary Cat Position - Requires Stage 2 ECU Software. Some versions: Fits with OE Secondary Cat Back Systems includes 200CPSI Catalyst in OE Secondary Cat Position - Requires Stage 2 ECU Software. This work involves removing parts close to the turbo and engine, so we recommend fitting by a specialist with a ramp and suitable software support.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Further\u003c\/h3\u003e\n\u003cp\u003eAlso available from Milltek for this car: \u003ca href=\"\/products\/milltek-active-valve-control-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23\"\u003eMilltek Active Valve Control Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+\u003c\/a\u003e, \u003ca href=\"\/products\/milltek-secondary-cat-back-exhaust-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23\"\u003eMilltek Secondary Cat-back Exhaust Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the Toyota\/Lexus Yaris Gen 2 - GR 1.6T (OPF\/GPF Models Only)?\u003c\/h3\u003e\n\u003cp\u003eNo. For that car, choose the \u003ca href=\"\/products\/milltek-hjs-tuning-ece-downpipes-toyota-yaris-gen-2-gr-1-6t-opf-gpf-24\"\u003eMilltek HJS Tuning ECE Downpipes Toyota \u0026amp; Lexus Yaris Gen 2 GR 1.6T OPF\/GPF 24+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs it road legal?\u003c\/h3\u003e\n\u003cp\u003eMilltek lists this as a race part without EC approval, so it is intended for off-road and competition use.\u003c\/p\u003e\n\u003ch3\u003eDo I need a remap?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek notes: \"Fits with Milltek Sport Secondary Cat Back Systems includes 200CPSI Catalyst in OE Secondary Cat Position - Requires Stage 2 ECU Software\". Without suitable software the engine management is likely to log faults.\u003c\/p\u003e\n\u003ch3\u003eCan I use it with my standard exhaust?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek lists it for use with the factory (OE) exhaust system.\u003c\/p\u003e\n\u003ch3\u003eHow is a sports cat different from a de-cat?\u003c\/h3\u003e\n\u003cp\u003eA sports cat still contains a catalyst, just a less dense one that flows better than the factory unit. A de-cat removes the catalyst completely.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to fit?\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes approx. 2 to 3 hours.\u003c\/p\u003e\n\u003ch3\u003eWhat is it made from?\u003c\/h3\u003e\n\u003cp\u003eT304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Fits with Milltek Sport Secondary Cat Back System","offer_id":56392940781953,"sku":"MIL-SSXTY154","price":1422.08,"currency_code":"GBP","in_stock":true},{"title":"Fits with OE Secondary Cat Back System","offer_id":56392940814721,"sku":"MIL-SSXTY153","price":1468.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXTY154_1.jpg?v=1791894767"},{"product_id":"milltek-secondary-cat-back-exhaust-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23","title":"Milltek Secondary Cat Back Exhaust Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+","description":"\u003ch2\u003eMilltek Secondary Cat-back Exhaust for Toyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only) (2023 onwards) – Sharper Sound, Reduced Back Pressure\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's cat-back system for the Toyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only). It replaces everything from the factory catalytic converter rearward with wider-bore pipework, a re-profiled mid-pipe and silencers tuned specifically for this platform, cutting back pressure and sharpening the exhaust note. The factory catalytic converter stays in place, so the car's emissions hardware is left as standard. It's offered in non-resonated or resonated versions and 4 tailpipe finishes, so you can pick the setup that suits how the car's used.\u003c\/p\u003e\n\u003cp\u003eIt's aimed at owners who want a noticeably different sound and a genuine, if modest, flow improvement without touching anything upstream of the cat: a straightforward bolt-on that doesn't need a remap or any other supporting mods to enjoy.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Secondary Cat-back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 76.2mm (3\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Style:\u003c\/strong\u003e 115mm GT115\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Approved:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace System:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Time:\u003c\/strong\u003e approx. 0 to 1 hours (Milltek figure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow\u003c\/li\u003e\n\u003cli\u003e76.2mm (3\") pipework\u003c\/li\u003e\n\u003cli\u003eReplaces the standard exhaust from the catalytic converter back, so the factory cat is retained\u003c\/li\u003e\n\u003cli\u003eChoice of 4 tailpipe finishes: GT-115 Brushed Titanium, GT-115 Burnt Titanium, GT-115 Cerakote Black, GT-115 Polished\u003c\/li\u003e\n\u003cli\u003eResonated (quieter) or non-resonated (louder) versions\u003c\/li\u003e\n\u003cli\u003eDesigned, developed and manufactured in the UK by Milltek Sport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eToyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only) (2023 onwards)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the Toyota\/Lexus GX GX550 3.4 Turbo V6, which needs the \u003ca href=\"\/products\/milltek-cat-back-exhaust-toyota-lexus-gx-gx550-3-4-turbo-v6-24\"\u003eMilltek Cat-back Exhaust Toyota Lexus GX GX550 3.4 Turbo V6 24+\u003c\/a\u003e; the Toyota\/Lexus Land Cruiser 2.4L Turbo Hybrid (NAS Models), which needs the \u003ca href=\"\/products\/milltek-cat-back-exhaust-toyota-lexus-land-cruiser-2-4l-turbo-hybrid-nas-24\"\u003eMilltek Cat-back Exhaust Toyota Lexus Land Cruiser 2.4L Turbo Hybrid NAS 24+\u003c\/a\u003e; the Toyota\/Lexus Yaris Gen 1 - GR \u0026amp; GR Circuit Pack 1.6T (OPF\/GPF Models Only), which needs the \u003ca href=\"\/products\/milltek-toyota-yaris-gen-1-gr-circuit-pack-1-6t-opf-gpf-20-24\"\u003eMilltek Toyota \u0026amp; Lexus Yaris Gen 1 GR \u0026amp; GR Circuit Pack 1.6T OPF\/GPF Only 20-24\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes a fitting time of approx. 0 to 1 hours. Some versions: 76.2mm\/3' Non Resonated Secondary Cat Back (Louder) with Brushed Titanium GT Tips - Re-uses OE Valve Controls \u0026amp; No Cutting of the OE System Required. Some versions: 76.2mm\/3' Non Resonated Secondary Cat Back (Louder) with Burnt\/Blue Titanium GT Tips - Re-uses OE Valve Controls \u0026amp; No Cutting of the OE System Required. Some versions: 76.2mm\/3' Non Resonated Secondary Cat Back (Louder) with Cerakote Black GT Tips - Re-uses OE Valve Controls \u0026amp; No Cutting of the OE System Required. Some versions: 76.2mm\/3' Non Resonated Secondary Cat Back (Louder) with Polished GT Tips - Re-uses OE Valve Controls \u0026amp; No Cutting of the OE System Required. We recommend professional fitting on a ramp. Once fitted, check the tailpipe alignment and re-check all clamps after the first few hundred miles.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Further\u003c\/h3\u003e\n\u003cp\u003eAlso available from Milltek for this car: \u003ca href=\"\/products\/milltek-active-valve-control-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23\"\u003eMilltek Active Valve Control Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+\u003c\/a\u003e, \u003ca href=\"\/products\/milltek-sports-cat-downpipe-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23\"\u003eMilltek Downpipe \u0026amp; Sports Cat Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between the resonated and non-resonated versions?\u003c\/h3\u003e\n\u003cp\u003eThe resonated version adds extra silencing for a quieter, more refined tone. The non-resonated version leaves it out, so it is louder and more aggressive.\u003c\/p\u003e\n\u003ch3\u003eWhich tailpipe finishes are available?\u003c\/h3\u003e\n\u003cp\u003eYou can choose from: GT-115 Brushed Titanium, GT-115 Burnt Titanium, GT-115 Cerakote Black, GT-115 Polished. The finish is cosmetic and does not change the sound.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the Toyota\/Lexus GX GX550 3.4 Turbo V6?\u003c\/h3\u003e\n\u003cp\u003eNo. For that car, choose the \u003ca href=\"\/products\/milltek-cat-back-exhaust-toyota-lexus-gx-gx550-3-4-turbo-v6-24\"\u003eMilltek Cat-back Exhaust Toyota Lexus GX GX550 3.4 Turbo V6 24+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs it road legal?\u003c\/h3\u003e\n\u003cp\u003eMilltek does not list EC approval for this part. Any exhaust used on the road must still meet noise and emissions rules, so check the requirements where you live.\u003c\/p\u003e\n\u003ch3\u003eDo I need a remap?\u003c\/h3\u003e\n\u003cp\u003eNo. It fits behind the factory catalytic converter, so no software changes are needed.\u003c\/p\u003e\n\u003ch3\u003eDoes it keep the factory catalytic converter?\u003c\/h3\u003e\n\u003cp\u003eYes. It fits behind the factory catalytic converter, which stays in place.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to fit?\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes approx. 0 to 1 hours.\u003c\/p\u003e\n\u003ch3\u003eWhat is it made from?\u003c\/h3\u003e\n\u003cp\u003eT304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Non-Resonated \/ GT-115 Brushed Titanium","offer_id":56392940913025,"sku":"MIL-SSXTY147","price":2351.86,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ GT-115 Burnt Titanium","offer_id":56392940945793,"sku":"MIL-SSXTY148","price":2459.92,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ GT-115 Cerakote Black","offer_id":56392940978561,"sku":"MIL-SSXTY146","price":2048.07,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ GT-115 Polished","offer_id":56392941011329,"sku":"MIL-SSXTY145","price":1842.54,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Brushed Titanium","offer_id":56392941044097,"sku":"MIL-SSXTY157","price":2474.51,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Burnt Titanium","offer_id":56392941076865,"sku":"MIL-SSXTY158","price":2582.57,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Cerakote Black","offer_id":56392941109633,"sku":"MIL-SSXTY156","price":2170.73,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Polished","offer_id":56392941142401,"sku":"MIL-SSXTY155","price":1965.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXTY147_1.jpg?v=1791894780"},{"product_id":"milltek-primary-cat-back-exhaust-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23","title":"Milltek Primary Cat Back Exhaust Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+","description":"\u003ch2\u003eMilltek Primary Cat-back Exhaust for Toyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only) (2023 onwards) – Sharper Sound, Reduced Back Pressure\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's cat-back system for the Toyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only). It replaces everything from the factory catalytic converter rearward with wider-bore pipework, a re-profiled mid-pipe and silencers tuned specifically for this platform, cutting back pressure and sharpening the exhaust note. The factory catalytic converter stays in place, so the car's emissions hardware is left as standard. It's offered in non-resonated or resonated versions and 4 tailpipe finishes, so you can pick the setup that suits how the car's used.\u003c\/p\u003e\n\u003cp\u003eIt's aimed at owners who want a noticeably different sound and a genuine, if modest, flow improvement without touching anything upstream of the cat: a straightforward bolt-on that doesn't need a remap or any other supporting mods to enjoy.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Primary Cat-back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 76.2mm (3\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Style:\u003c\/strong\u003e 115mm GT115\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Approved:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace System:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Time:\u003c\/strong\u003e approx. 0 to 1 hours (Milltek figure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow\u003c\/li\u003e\n\u003cli\u003e76.2mm (3\") pipework\u003c\/li\u003e\n\u003cli\u003eReplaces the standard exhaust from the catalytic converter back, so the factory cat is retained\u003c\/li\u003e\n\u003cli\u003eChoice of 4 tailpipe finishes: GT-115 Brushed Titanium, GT-115 Burnt Titanium, GT-115 Cerakote Black, GT-115 Polished\u003c\/li\u003e\n\u003cli\u003eResonated (quieter) or non-resonated (louder) versions\u003c\/li\u003e\n\u003cli\u003eDesigned, developed and manufactured in the UK by Milltek Sport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eToyota\/Lexus Corolla GR Corolla 1.6 Turbo (Manual Only) (2023 onwards)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the Toyota\/Lexus GX GX550 3.4 Turbo V6, which needs the \u003ca href=\"\/products\/milltek-cat-back-exhaust-toyota-lexus-gx-gx550-3-4-turbo-v6-24\"\u003eMilltek Cat-back Exhaust Toyota Lexus GX GX550 3.4 Turbo V6 24+\u003c\/a\u003e; the Toyota\/Lexus Land Cruiser 2.4L Turbo Hybrid (NAS Models), which needs the \u003ca href=\"\/products\/milltek-cat-back-exhaust-toyota-lexus-land-cruiser-2-4l-turbo-hybrid-nas-24\"\u003eMilltek Cat-back Exhaust Toyota Lexus Land Cruiser 2.4L Turbo Hybrid NAS 24+\u003c\/a\u003e; the Toyota\/Lexus Yaris Gen 1 - GR \u0026amp; GR Circuit Pack 1.6T (OPF\/GPF Models Only), which needs the \u003ca href=\"\/products\/milltek-toyota-yaris-gen-1-gr-circuit-pack-1-6t-opf-gpf-20-24\"\u003eMilltek Toyota \u0026amp; Lexus Yaris Gen 1 GR \u0026amp; GR Circuit Pack 1.6T OPF\/GPF Only 20-24\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes a fitting time of approx. 0 to 1 hours. Some versions: 76.2mm\/3' Non Resonated Primary Cat Back (Loudest) with Brushed Titanium GT Tips - Re-uses OE Valve Controls, Bypasses the Secondary Cat \u0026amp; No Cutting of the OE System Required. Some versions: 76.2mm\/3' Non Resonated Primary Cat Back (Loudest) with Burnt\/Blue Titanium GT Tips - Re-uses OE Valve Controls, Bypasses the Secondary Cat \u0026amp; No Cutting of the OE System Required. Some versions: 76.2mm\/3' Non Resonated Primary Cat Back (Loudest) with Cerakote Black GT Tips - Re-uses OE Valve Controls, Bypasses the Secondary Cat \u0026amp; No Cutting of the OE System Required. Some versions: 76.2mm\/3' Non Resonated Primary Cat Back (Loudest) with Polished GT Tips - Re-uses OE Valve Controls, Bypasses the Secondary Cat \u0026amp; No Cutting of the OE System Required. We recommend professional fitting on a ramp. Once fitted, check the tailpipe alignment and re-check all clamps after the first few hundred miles.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Further\u003c\/h3\u003e\n\u003cp\u003eAlso available from Milltek for this car: \u003ca href=\"\/products\/milltek-active-valve-control-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23\"\u003eMilltek Active Valve Control Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+\u003c\/a\u003e, \u003ca href=\"\/products\/milltek-sports-cat-downpipe-toyota-lexus-corolla-gr-corolla-1-6-turbo-manual-23\"\u003eMilltek Downpipe \u0026amp; Sports Cat Toyota Lexus Corolla GR Corolla 1.6 Turbo Manual 23+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between the resonated and non-resonated versions?\u003c\/h3\u003e\n\u003cp\u003eThe resonated version adds extra silencing for a quieter, more refined tone. The non-resonated version leaves it out, so it is louder and more aggressive.\u003c\/p\u003e\n\u003ch3\u003eWhich tailpipe finishes are available?\u003c\/h3\u003e\n\u003cp\u003eYou can choose from: GT-115 Brushed Titanium, GT-115 Burnt Titanium, GT-115 Cerakote Black, GT-115 Polished. The finish is cosmetic and does not change the sound.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the Toyota\/Lexus GX GX550 3.4 Turbo V6?\u003c\/h3\u003e\n\u003cp\u003eNo. For that car, choose the \u003ca href=\"\/products\/milltek-cat-back-exhaust-toyota-lexus-gx-gx550-3-4-turbo-v6-24\"\u003eMilltek Cat-back Exhaust Toyota Lexus GX GX550 3.4 Turbo V6 24+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs it road legal?\u003c\/h3\u003e\n\u003cp\u003eMilltek lists this as a race part without EC approval, so it is intended for off-road and competition use.\u003c\/p\u003e\n\u003ch3\u003eDo I need a remap?\u003c\/h3\u003e\n\u003cp\u003eNo. It fits behind the factory catalytic converter, so no software changes are needed.\u003c\/p\u003e\n\u003ch3\u003eDoes it keep the factory catalytic converter?\u003c\/h3\u003e\n\u003cp\u003eYes. It fits behind the factory catalytic converter, which stays in place.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to fit?\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes approx. 0 to 1 hours.\u003c\/p\u003e\n\u003ch3\u003eWhat is it made from?\u003c\/h3\u003e\n\u003cp\u003eT304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Non-Resonated \/ GT-115 Brushed Titanium","offer_id":56392941207937,"sku":"MIL-SSXTY151","price":2804.86,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ GT-115 Burnt Titanium","offer_id":56392941240705,"sku":"MIL-SSXTY152","price":2912.91,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ GT-115 Cerakote Black","offer_id":56392941273473,"sku":"MIL-SSXTY150","price":2501.06,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ GT-115 Polished","offer_id":56392941306241,"sku":"MIL-SSXTY149","price":2295.54,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Brushed Titanium","offer_id":56392941339009,"sku":"MIL-SSXTY161","price":2927.51,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Burnt Titanium","offer_id":56392941371777,"sku":"MIL-SSXTY166","price":3035.57,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Cerakote Black","offer_id":56392941404545,"sku":"MIL-SSXTY160","price":2623.72,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Polished","offer_id":56392941437313,"sku":"MIL-SSXTY159","price":2418.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXTY151_1.jpg?v=1791894781"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/collections\/toyota-gr-corolla.jpg?v=1791898000","url":"https:\/\/milltekexhaustshop.com\/collections\/toyota-gr-corolla-performance-exhaust-systems.oembed","provider":"Milltek Exhaust Shop","version":"1.0","type":"link"}