{"product_id":"milltek-large-bore-downpipe-ec-approved-sports-cat-oe-cat-back-for-audi-tt-mk3-tts-2-0tfsi-quattro-ssxau585","title":"Milltek Large Bore Downpipe, EC-Approved Sports Cat, OE Cat-Back for Audi TT Mk3 TTS 2.0TFSI Quattro","description":"\u003cp\u003eMilltek 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 the OE cat-back only. It does not fit Milltek cat-back systems. The equivalent downpipe for Milltek cat-back systems is SSXAU582.\u003c\/p\u003e\n\u003cp\u003e76.20mm (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.\u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVehicle: Audi TT Mk3 TTS 2.0TFSI Quattro, 2015 to 2018\u003c\/li\u003e\n\u003cli\u003eNot suitable for OPF\/GPF equipped vehicles\u003c\/li\u003e\n\u003cli\u003eCat-back: fits the OE cat-back only. Does not fit Milltek cat-back systems.\u003c\/li\u003e\n\u003cli\u003eCatalyst: 200-CPSI hi-flow sports catalyst, EC approved\u003c\/li\u003e\n\u003cli\u003eBore: 76.20mm (3.0\"), mandrel-bent T304L stainless steel\u003c\/li\u003e\n\u003cli\u003eRequires a Stage 2 ECU remap\u003c\/li\u003e\n\u003cli\u003eDirect fitment on OEM hangers and mounting points, no modification required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePart number SSXAU585. Choose SSXAU582 instead if the car runs Milltek cat-back systems.\u003c\/p\u003e\n\u003cp\u003eDesigned and manufactured in the UK with over 40 years of performance exhaust heritage. Nurburgring tested.\u003c\/p\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2014-2023 Audi TT Quattro Base\u003c\/li\u003e\n\u003cli\u003e2015-2018 Audi TTS Quattro Base\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150563471646,"sku":"MILSSXAU585","price":3265.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU585_1.jpg?v=1791252429","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-large-bore-downpipe-ec-approved-sports-cat-oe-cat-back-for-audi-tt-mk3-tts-2-0tfsi-quattro-ssxau585","provider":"Signature Autohaus","version":"1.0","type":"link"}