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CTS TURBO High Flow Cat

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Product Information

The CTS for B9 A4 2.0T high flow cat is the premier high flow cat for your Audi A4 2.0T.  Our high flow cat is designed to seamlessly fit in place of your restrictive stock catalytic converter, which is situated immediately after the turbocharger.  Our high flow cat features 3" stainless steel piping, smooth mandrel bends, one 02 sensor bung with an option for a second.  Substantial power gains, improved exhaust flow and a more throaty sound are the main benefits from installing our 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 high flow cat.  In addition to being one of the best bang for the buck performance upgrades for A4 owners our high flow cat is also 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!  Tig welding additional 02 bungs can be done for an additional charge.  

Product Details:
T304 stainless steel construction
Mandrel bent stainless steel
Fully tig welded design
Optional third 02 bung
Install hardware included
Throaty sound 
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. 

Brand: CTS Turbo
Product Code: CTS-EXH-TP-0006-CAT
$299.99 $269.99
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