CTS Turbo B8/B8.5 Audi 1.8T/2.0T High Flow Cat is the premier high flow cat pipe for your Audi A4/A5/Allroad or Q5.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 catn- T304 stainless steel constructio- 200 cell stainless steel high flow catn- Mandrel-bent stainless steeln- Fully tig welded desig- Extra O2 bung for wide-band installatio- Install hardware includedn- Great power upgradeTo 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:

• 2006 2009 Audi A4 2.0T

• 2009 2016 Audi A4 2.0T

• 2009 2016 Audi A5 2.0T

• 2009 2016 Audi AllRoad 2.0T

• 2009 2017 Audi Q5 2.0T

• 1.8TFSI EA888 Gen 1 and 2.0TFSI EA888 Gen 2 ONLY! For late ROW cars with EA888 Gen 3 engine, see CTS-EXH-TP-0006 (B9 2.0T fitment)

• Only fits LHD vehicles. Fits manual and automatic transmissions, does not fit CVT.

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CTS-EXH-TP-0004-B8-CAT

Manufactured by

CTS Turbo