![High Flow Racing Catalytic Converter, B8/B8.5 Audi A4, A5, Q5, Allroad 2.0 TFSI High Flow Racing Catalytic Converter, B8/B8.5 Audi A4, A5, Q5, Allroad 2.0 TFSI](https://cdn11.bigcommerce.com/s-m480ec46ug/images/stencil/500x659/products/8723/58426/034motorsport-downpipe-high-flow-catalytic-converter-audi-b8-a4-a5-q5-20-tfsi-034-105-4023-1__54967.1628793702.386.513__90389.1693169824.jpg?c=1)
Our B8/B8.5 High Flow Cat is designed to seamlessly fit in place of your restrictive stock catalytic converter, which is situated immediately after the turbocharger.? Our B8/B8.5 High Flow Cat features 3" stainless steel piping, smooth mandrel bends, two 02 sensor bungs with an option for a third.? Substantial power gains, improved exhaust flow and a more throaty sound are the main benefits of installing our B8/B8.5 High Flow Cat.? Upon inspection you will notice a flare which is nearly 4", this flare then tapers to 3" and is designed to allow for optimal flow as the exhaust gas transitions from the turbocharger to the B8/B8.5 High Flow Cat.? In addition to being one of the best bang for the buck performance upgrades for A4/A5 owners, our cat pipe is also a very attractive piece.? Each 3" B8/B8.5 High Flow Cat is mandrel-bent, hand tig welded.? Do you need an additional 02 bung for data logging?? Well, that's no problem!? Extra 02 bung is now included at no extra charge.
Product Details:
- 3" high-flow cat
- T304 stainless steel construction
- 200 cell stainless steel high flow cat
- Mandrel-bent stainless steel
- Fully tig welded design
- Extra O2 bung for wide-band installation
- Install hardware included
- Great power upgrade
To remove the CEL that will occur, proper tuning software must be used. CTS Turbo recommends choosing a High Flow Cat for the sake of our environment!
Use of stage 2 software upgrade is strongly recommended.
Fitment for factory turbo and CTS-TR-1070.
Fitment: