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  • DPK0018T

APR – B7 A4 Testpipe

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(303) 800-7193

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Product Description

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APR is pleased to present the B7 A4 high flow testpipe exhaust system.

The APR testpipe exhaust system is a perfect upgrade for any A4 owner looking to get the most out of their 2.0 TFSI. The system features an unrestrictive design capable of supporting power output far beyond that of a fully built engine.

Built as a direct OEM replacement, the testpipe is simple to install and provides more than adequate clearance from surrounding hardware. By removing the large and restrictive OEM catalytic converter, the testpipe provide a clear path for exhaust gasses exiting the turbo. Connection to the factory turbo and catback exhaust is made simple by utilization of the factory hardware.

Constructed from T304 stainless steel with cast non-protruding o2 bungs, and fully TIG welded, the system is designed to last through the harshest of conditions and is backed by a full lifetime warranty. Expect high quality components that enhance the sound and performance of the 2.0 TFSI and will stand the test of time.


  • Designed and finished in-house
  • T304 stainless steel piping, flanges and o2 bungs
  • Fully TIG welded
  • Brushed finish
  • Direct OEM replacement
  • Catless design removes restrictive OEM catalytic converters
  • Cast, non-prodtruding o2 bungs
  • CNC mandrel bent piping
  • CNC laser cut flanges
  • 83 mm ID piping necks down to the OEM 65 mm ID
  • 1.5mm nominal wall thickness
  • Simple, light-weight design
  • Perfectly complements APR’s Stage 1, 2 and K04 ECU Upgrades
  • Replacement gaskets
  • Waives the Stage II Upgrade price
  • Limited lifetime warranty

For the best results, APR recommends installing the Stage II ECU Upgrade. This upgrade requires purchase of an APR Stage I ECU Upgrade, and is included for free to the original owner and original vehicle with the purchase of an APR Cast testpipe Exhaust System!

Additional Information

Weight 15 lbs
Dimensions 25 x 35 x 10 in


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