Milltek Large Bore Downpipe with 200-CPSI hi-flow sports catalyst for the Audi TT Mk3 TTS 2.0TFSI Quattro, 2015 to 2018, non-OPF/GPF models. This downpipe fits Milltek cat-back systems only. It does not fit the OE cat-back. The equivalent downpipe for the OE cat-back is SSXAU585.
76.20mm (3.0") mandrel-bent T304L stainless steel with hand-finished welds and CNC-formed flanges. The large-bore section cuts backpressure and improves scavenging against the restrictive OEM downpipe. The 200-CPSI hi-flow sports catalyst is the EC-approved grade in the TTS downpipe range and flows substantially better than the restrictive factory unit. Stage 2 ECU remap required to realize the gains.
Fitment & Compatibility
- Vehicle: Audi TT Mk3 TTS 2.0TFSI Quattro, 2015 to 2018
- Not suitable for OPF/GPF equipped vehicles
- Cat-back: fits Milltek cat-back systems only. Does not fit the OE cat-back.
- Catalyst: 200-CPSI hi-flow sports catalyst, EC approved
- Bore: 76.20mm (3.0"), mandrel-bent T304L stainless steel
- Requires a Stage 2 ECU remap
- Direct fitment on OEM hangers and mounting points, no modification required
Part number SSXAU582. Choose SSXAU585 instead if the car runs the OE cat-back.
Designed and manufactured in the UK with over 40 years of performance exhaust heritage. Nurburgring tested.
Vehicle fitment
- 2014-2023 Audi TT Quattro Base
- 2015-2018 Audi TTS Quattro Base
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Complete the Shipping DAMAGE Claim Form by contacting the carrier that delivered your package.
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Make a list of the damaged or lost item(s)
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1. Contact our Customer Service Department to receive a RMA number. All packages returned without a Returned Merchandise Authorization number will be refused.
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