{"product_id":"milltek-large-bore-downpipe-hjs-sports-cat-oe-cat-back-audi-tt-mk3-tts-20tfsi-quattro-ssxau586","title":"Milltek Large Bore Downpipe, HJS Sports Cat, OE Cat-Back | Audi TT Mk3 TTS 2.0TFSI Quattro","description":"\u003cp\u003eMilltek Large Bore Downpipe with 200-cell HJS 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 SSXAU583.\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-cell HJS sports catalyst replaces the 500 to 600 cell OEM substrate, cutting restriction while retaining a catalyst in the turbo-back path. 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-cell HJS sports catalyst\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 SSXAU586. Choose SSXAU583 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","brand":"Milltek","offers":[{"title":"Default Title","offer_id":51360549830879,"sku":"SSXAU586","price":1523.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8496\/9183\/files\/SSXAU586_1.jpg?v=1789002491","url":"https:\/\/egtuning.com\/products\/milltek-large-bore-downpipe-hjs-sports-cat-oe-cat-back-audi-tt-mk3-tts-20tfsi-quattro-ssxau586","provider":"Egor's Garage Tuning ","version":"1.0","type":"link"}