APR CD100002 Downpipes and Cats for Audi B5 S4

The APR CD100002 B5 S4 Downpipes and Cats replace the the exhaust from the turbochargers to behind the lower factory catalytic converters. The system removes the factory Audi pre-cats right off of the turbocharger and includes six separate components. Included with the APR CD100002 are the two pipes off of each turbocharger, a set of pipes with catalytic converters, and a set of test pipes without cats. With TIG welding, fully stainless construction, and CNC'ed hangers, you will not find a higher quality system on the market.

  Related Products


  APR CB100003 3" Stainless Steel Cat-back SRT Exhaust for Audi B5 S4  - APR offers two different sound levels of the B5 S4 exhaust.
(APR Stealth exhaust pictured)

 Other Items from Exhaust upgrades for Audi B5 S4

  Neuspeed 30.02.27 Race Series Titanium Exhaust for Audi B5 S4 - A full catback exhaust weighing under 9 Lbs!
  Neuspeed 30.02.28 Stainless Steel Cat-back Exhaust for Audi B5 S4 - Dual slash cut tips
  APR CB100008 3" Stainless Steel Cat-back Stealth Exhaust for Audi B5 S4  - APR offers two different sound levels of the B5 S4 exhaust.
  APR CB100003 3" Stainless Steel Cat-back SRT Exhaust for Audi B5 S4  - APR offers two different sound levels of the B5 S4 exhaust.
(APR Stealth exhaust pictured)
  APR CD100002 Downpipes and Cats for Audi B5 S4  - Replace those restrictive factory cats with APRs high flow cats or testpipes!