The CTS Turbo B8/B8.5 Audi A4/A5/AllRoad/Q5 1.8T/2.0T Test Pipe is the premier test pipe for your Audi.Our test pipe is designed to seamlessly fit in place of your restrictive stock catalytic converter, which is situated immediately after the turbocharger.Our test pipe 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 test pipe.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 test pipe.In addition to being one of the best bang for the buck performance upgrades for A4/A5/AllRoad and Q5 owners, our test pipe is also a very attractive piece.Each 3 test pipe is mandrel-bent, hand tig welded.Do you need an additional 02 bung for data logging?Well, that's no problem!Extra O2 bung is now included at no extra charge!Product Details:n- T304 stainless steel constructio- Mandrel-bent stainless steeln- Fully tig welded desig- Extra O2 bung for wide-band sensorn- Install hardware includedn- Throaty soundn- 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.nFitment for factory turbo and CTS-TR-1070Fitment:

• 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

Manufactured by

CTS Turbo