Milltek Downpipe-back Exhaust for Audi Coupe UR quattro 20v Turbo (1989-1991) – Sharper Sound, Reduced Back Pressure
This is Milltek's downpipe for the Audi Coupe UR quattro 20v Turbo. It replaces the factory downpipe with a less restrictive design for improved flow at one of the most restrictive points in the system. Check the specification below to see whether this particular version retains a catalyst. It's offered in non-resonated or resonated versions and 3 tailpipe finishes, so you can pick the setup that suits how the car's used.
Specifications
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System Type: Downpipe-back
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Pipe Diameter: 63.5mm (2.5")
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Tip Style: Twin 90mm GT90
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EC Approved: No
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Race System: No
Key Features
- Made from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration
- Mandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow
- 63.5mm (2.5") pipework
- Replaces the standard exhaust from the catalytic converter back, so the factory cat is retained
- Choice of 3 tailpipe finishes: OEM Style Cerakote Black, OEM Style Polished, OEM Style Titanium
- Resonated (quieter) or non-resonated (louder) versions
- Designed, developed and manufactured in the UK by Milltek Sport
Fitment
- Audi Coupe UR quattro 20v Turbo (1989-1991)
Not suitable for: the Audi Coupe UR quattro 10v Turbo, which needs the Milltek Downpipe-back Exhaust Audi Coupe UR Quattro 10v Turbo 81-89.
Installation
Some versions: Non-resonated (louder). Cerakote Black OEM-Style Tips. Requires 4 holes to be drilled into the boot floor to allow fitment of the new Milltek Sport exhaust hangers. Some versions: Non-resonated (louder). Polished OEM-Style Tips. Requires 4 holes to be drilled into the boot floor to allow fitment of the new Milltek Sport exhaust hangers. Some versions: Non-resonated (louder). Titanium OEM-Style Tips. Requires 4 holes to be drilled into the boot floor to allow fitment of the new Milltek Sport exhaust hangers. Some versions: Resonated (quieter). Cerakote Black OEM-Style Tips. Requires 4 holes to be drilled into the boot floor to allow fitment of the new Milltek Sport exhaust hangers. We recommend professional fitting on a ramp. Once fitted, check the tailpipe alignment and re-check all clamps after the first few hundred miles.
What's the difference between the resonated and non-resonated versions?
The 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.
Which tailpipe finishes are available?
You can choose from: OEM Style Cerakote Black, OEM Style Polished, OEM Style Titanium. The finish is cosmetic and does not change the sound.
Does it fit the Audi Coupe UR quattro 10v Turbo?
No. For that car, choose the Milltek Downpipe-back Exhaust Audi Coupe UR Quattro 10v Turbo 81-89.
Is it road legal?
Milltek 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.
Do I need a remap?
No. It fits behind the factory catalytic converter, so no software changes are needed.
Does it keep the factory catalytic converter?
Yes. It fits behind the factory catalytic converter, which stays in place.
What is it made from?
T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.
Is there a warranty?
Yes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.
