NEW IE Performance Downpipe for Audi B8/B8.5 A4, A5, & Q5 2.0T!

IE Cast Downpipe for Audi B9 A4 is Available and Shipping Now!


IE is excited to release it’s High Flow Downpipe for Audi B8/B8.5 2.0T Engines. The downpipe will add up to 28 BHP, while emitting an aggressive exhaust note. Superior engineering and quality craftsmanship ensure perfect fitment, great performance, and longevity.  

Product Videos


  • Constructed from 304 stainless steel 3.0” diameter tubing
  • Tig welded, high quality, and long-lasting
  • Fully lined flex section - will never collapse and high-boost approved
  • All hardware included for a no hassled install
  • Install instructions located HERE

Confirmed Fitments

  • AUDI - A4 2009-2015 (B8 - B8.5) 2.0T engine
  • AUDI - A4 Allroad 2009-2015 (B8 - B8.5) 2.0T engine
  • AUDI - A5 2008-2015 (B8 - B8.5) 2.0T engine
  • AUDI - Q5 2009-2017 (8R) 2.0T Gen 2 engine

Pricing & Additional Info

  • $549.99 USD
  • IE part number IEEXCG1

Contact Information

Product Page - Locate a dealer - Ask us a question -

About IE

Integrated Engineering (IE) is a family-owned performance part manufacturer for all VW and Audi models. Our goal is to make automotive enthusiasts’ dreams become reality by providing the best products money can buy.



  • Admin


    No, downpipes require a Stage 2 TUne to operate correctly. Hardware and software upgrades must match.

  • Ali

    Is it possible to install this on a stock car without any tune?will it be performing well and not causing any troubles?

  • Admin


    For international orders, please email our sales team at


  • atsushi

    I would like to buy your items, but how long does it take to Japan?

  • vwcentral

    Information shared is useful. your product videos are great. Love your service.

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