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Ordering & Fitment FAQs
Will this part fit my vehicle?
Use the vehicle finder and check the product’s fitment information. If you’re unsure, ask our parts team to confirm your year, model, trim, engine and any modifications, along with what’s included in the kit.
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CTS Turbo C8 Audi RS6/RS7 High-Flow CATS
$2,683.17
The CTS Turbo C8 Audi RS6/RS7 High-Flow CATS were designed to seamlessly fit in place of...
The CTS Turbo C8 Audi RS6/RS7 High-Flow CATS were designed to seamlessly fit in place of your restrictive stock catalytic converters, which is situated immediately after the turbocharger.
Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipes. Manufactured from T304 stainless steel, hand TIG welded and back purged to ensure years of reliable performance.
Substantial power gains, improved exhaust flow and a more throaty sound are the main benefits of installing our high-flow downpipe.
Product Details:
- T304 stainless steel construction
- Mandrel-bent stainless steel
- Removable flange makes for easy installation
- Fully tig welded design
- Install hardware included
- OPF/GPF sensor ports (with plugs), bypass factory pressure sensors
- Throaty sound
- Great power upgrade
- 200 Cell RACE CATS
- Transfer factory O2 sensors and tighten to 30 ft/lbs
- Install supplied OPF/GPF plugs and tighten to 25 ft/lbs
- Tighten downpipe nuts and bolts to 16 ft/lbs
- Remove the factory pressure sensors and lines from factory cats
- Connect both ports of the pressure sensor together with the longer factory rubber hose and clamps. Re-install sensors and clip in the harness.
- Install OPF/GFP temperature probes and tighten to 25 ft/lbs
- Transfer factory O2 sensors and tighten to 30 ft/lbs
- Tighten downpipe nuts and bolts to 16 ft/lbs
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