{"product_id":"cts-turbo-4-0t-high-flow-cats-audi-c8-rs6-avant-rs7-sportback","title":"CTS Turbo 4.0T High-Flow Cats – Audi C8 RS6 Avant \/ RS7 Sportback","description":"\u003cp\u003eThese CTS Turbo high-flow cats replace the restrictive factory cats right after the turbos on the C8 RS6 Avant and RS7 Sportback 4.0T V8. They're mandrel-bent, fully TIG welded T304 stainless with 200-cell race cats and removable flanges, and come with install hardware and plugged OPF\/GPF sensor ports.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e200-cell high-flow race cats\u003c\/li\u003e\n\u003cli\u003eMandrel-bent T304 stainless steel, fully TIG welded\u003c\/li\u003e\n\u003cli\u003eRemovable flange for easier installation\u003c\/li\u003e\n\u003cli\u003eOPF\/GPF sensor ports with plugs\u003c\/li\u003e\n\u003cli\u003eInstall hardware included\u003c\/li\u003e\n\u003cli\u003eThroaty sound and a solid power gain\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAudi C8 RS6 Avant 4.0T V8, 2020-2024\u003c\/li\u003e\n\u003cli\u003eAudi C8 RS7 Sportback 4.0T V8, 2020-2024\u003c\/li\u003e\n\u003cli\u003eAlso fits rest-of-world OPF\/GPF cars with CTS's install steps\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCars without OPF\/GPF: transfer the factory O2 sensors (30 ft-lb), fit the supplied OPF\/GPF plugs (25 ft-lb), and tighten the downpipe nuts and bolts to 16 ft-lb\u003c\/li\u003e\n\u003cli\u003eRest-of-world cars with OPF\/GPF: remove the pressure sensors and lines from the factory cats, join both pressure sensor ports with the longer factory rubber hose and clamps, refit the sensors and clip them into the harness\u003c\/li\u003e\n\u003cli\u003eThen install the OPF\/GPF temperature probes (25 ft-lb), transfer the O2 sensors (30 ft-lb) and tighten the downpipe nuts and bolts to 16 ft-lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStage 2 tuning software is required to avoid a check engine light\u003c\/li\u003e\n\u003cli\u003eFactory O2 sensors transfer over; the OPF\/GPF sensor ports are plugged, bypassing the factory pressure sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCTS Turbo part number: CTS-EXH-DP-0049-CAT. Not sure it fits your car? Send us your VIN and we will confirm before you order.\u003c\/p\u003e\u003ch3\u003eWhy buy from OSS Motorsport\u003c\/h3\u003e\u003cp\u003eOSS Motorsport is a Manitoba performance shop that specializes in European cars, and we sell a lot of CTS Turbo. We ship Canada-wide with CAD pricing, so there are no border surprises. Questions? Email sales@ossmotorsport.com or call 431-831-0100.\u003c\/p\u003e","brand":"CTS Turbo","offers":[{"title":"Default Title","offer_id":67980223447272,"sku":"CTS-EXH-DP-0049-CAT","price":1904.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/0807\/2548\/files\/DP-0049-CAT.jpg?v=1792881897","url":"https:\/\/store.ossmotorsport.com\/products\/cts-turbo-4-0t-high-flow-cats-audi-c8-rs6-avant-rs7-sportback","provider":"OSS Motorsport","version":"1.0","type":"link"}