{"product_id":"milltek-rear-silencers-bmw-1-series-m135i-3dr-5dr-f21-f20-non-xdrive-12-16","title":"Milltek Rear Silencers BMW 1 Series M135i 3dr 5dr F21 F20 Non-xDrive 12-16","description":"\u003ch2\u003eMilltek Rear Silencers for BMW 1 Series M135i 3 \u0026amp; 5 Door (F21 \u0026amp; F20, Non-xDrive) (2012-2016) – Revised Sound, Rear Section Only\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's rear silencer for the BMW 1 Series M135i 3 \u0026amp; 5 Door (F21 \u0026amp; F20, Non-xDrive). It's a standalone replacement for the rear silencer only, swapping it for a version tuned for a different sound without changing anything further forward in the system. It's offered in a choice of ec approved (No, Yes) and 3 tailpipe finishes, so you can pick the setup that suits how the car's used.\u003c\/p\u003e\n\u003cp\u003eIt's for owners looking to fine-tune the exhaust note at the tailpipe end, typically alongside an existing cat-back or axle-back system, rather than a complete exhaust upgrade on its own.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Rear Silencer(s)\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 Twin 90mm GT90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace System:\u003c\/strong\u003e No\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\u003eSwaps the rear silencer only, without changing the rest of the system\u003c\/li\u003e\n\u003cli\u003eChoice of 3 tailpipe finishes: Cerakote Black, Polished, Titanium\u003c\/li\u003e\n\u003cli\u003eEC approved versions available\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\u003eBMW 1 Series M135i 3 \u0026amp; 5 Door (F21 \u0026amp; F20, Non-xDrive) (2012-2016)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the BMW 1 Series 120i \u0026amp; 125i (F20 \u0026amp; F21 - B48 Engine Only inc OPF Models), which needs the \u003ca href=\"\/products\/milltek-rear-silencers-bmw-1-series-120i-125i-f20-f21-b48-16-21\"\u003eMilltek Rear Silencers BMW 1 Series 120i 125i F20 F21 B48 16-21\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eWe 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-valvesonic-bmw-1-series-m135i-3dr-5dr-f21-f20-non-xdrive-12-16\"\u003eMilltek ValveSonic + BMW 1 Series M135i 3dr 5dr F21 F20, Non-xDrive 12-16\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhich tailpipe finishes are available?\u003c\/h3\u003e\n\u003cp\u003eYou can choose from: Cerakote Black, Polished, Titanium. The finish is cosmetic and does not change the sound.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the BMW 1 Series 120i \u0026amp; 125i (F20 \u0026amp; F21 - B48 Engine Only inc OPF Models)?\u003c\/h3\u003e\n\u003cp\u003eNo. For that car, choose the \u003ca href=\"\/products\/milltek-rear-silencers-bmw-1-series-120i-125i-f20-f21-b48-16-21\"\u003eMilltek Rear Silencers BMW 1 Series 120i 125i F20 F21 B48 16-21\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs it road legal?\u003c\/h3\u003e\n\u003cp\u003eSome versions are EC approved; check the EC Approved line in the specification for the option you choose.\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\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":"No \/ Cerakote Black","offer_id":56392759771521,"sku":"MIL-SSXBM960","price":898.46,"currency_code":"GBP","in_stock":true},{"title":"No \/ Polished","offer_id":56392759804289,"sku":"MIL-SSXBM959","price":813.3,"currency_code":"GBP","in_stock":true},{"title":"No \/ Titanium","offer_id":56392759837057,"sku":"MIL-SSXBM1026","price":1036.01,"currency_code":"GBP","in_stock":true},{"title":"Yes \/ Cerakote Black","offer_id":56392759869825,"sku":"MIL-SSXBM958","price":896.04,"currency_code":"GBP","in_stock":true},{"title":"Yes \/ Polished","offer_id":56392759902593,"sku":"MIL-SSXBM957","price":810.88,"currency_code":"GBP","in_stock":true},{"title":"Yes \/ Titanium","offer_id":56392759935361,"sku":"MIL-SSXBM1025","price":1033.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXBM960_1.jpg?v=1791891938","url":"https:\/\/milltekexhaustshop.com\/products\/milltek-rear-silencers-bmw-1-series-m135i-3dr-5dr-f21-f20-non-xdrive-12-16","provider":"Milltek Exhaust Shop","version":"1.0","type":"link"}