Home » Exhaust » Downpipes » USP 3" High Flow Cat For Audi 2.0T
NOTICE: This is a Race-only product. An electronically signed Race-only Product Acknowledgement Agreement is required prior to shipping out. Instructions will follow after checkout.
Product description

Constructed of 3" stainless steel, the USP high flow cat offers huge performance gains at an affordable price. The USP high flow cat replaces the restrictive factory catalytic converter with a high flow steel cat. You can expect horsepower gains of 8-12 horsepower at the wheels and even more on modified cars. The high flow cat is completely bolt on, requiring no cutting or welding. Installation hardware is also included.

- 3" stainless steel construction
- Bolt-on direct replacement
- Installation in 1-2 hours
- Limited lifetime warranty (cat excluded)
- 3" cat pipe
- (1) Turbo to testpipe gasket 
- (1) Downpipe to catalytic converter gasket
- (3) Exhaust Bolts
- (3) Exhaust Nuts
An optional oxygen sensor spacer is available below to minimize the likely hood of a check engine light (CEL) on vehicles without software.

Customer feedback

Jan 24, 2017
Used this HFC to go to APR Stage II. Does the job well at a great price.

Advantages: No major change to interior noise. Increased performance.
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taylor powell
Apr 14, 2016
Perfect fitment, open up some space where old cat used to be, really opened up my audi noticeable gains and faster spool time I got this hfc so I could upgrade to stage 2 apr and what a difference it has made

Advantages: Faster spool time, more throaty sound, noticeable power gains and torque

Disadvantages: None
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Thomas S
Jun 17, 2016
The exhaust sounds awesome adding HFC ... Super happy with results. Also feel a much more rapid response and power.
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Feb 4, 2015
Very well built item and performance is above my expectations.

Advantages: More aggressive exhaust note
Smoother and stronger power delivery

Disadvantages: none
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May 15, 2015
After my suggestion, the shipping packaging is much improved.

Advantages: useful tool

Disadvantages: looks not very fashionable
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8.00# 17.00x11.00x8.00

USP 3" High Flow Cat For Audi 2.0T

Bolt-on high flow catalytic converter
(5 reviews)

  • 3" stainless steel construction
  • 200 cell high flow catalytic converter
  • Includes installation hardware
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On Sale Save 15%
$296.99 $252.44
SKU# 3671
 In Stock 
This item is in stock and will ship within 1 business day
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  • Full description
  • Cars This Fits ...

  • Make Model Year Engine
    Audi Q5 2009+ 2.0T
    Audi Allroad 2012-2015 2.0T
    Audi A5 B8 (2008-2012) 2.0T
    Audi A5 B8.5 (2013-2017) 2.0T
    Audi A4 B8 (2009-2012) 2.0T (FWD)
    Audi A4 B8 (2009-2012) 2.0T (Quattro)
    Audi A4 B8.5 (2013-2016) 2.0T (FWD)
    Audi A4 B8.5 (2013-2016) 2.0T (Quattro)