B7 S4 Magnaflow 16689 (RS4) Trexturk catless downpipe
3,462 views · Published 30 June 2013 · 3:31 · Indexed 12 October 2026
Channel: Eric Rodewald · 2013 · Autos & Vehicles
Shot with a GoPro HD, so there's no external mic, so the muffled sound is exaggerated. The Magnaflow exhaust is for an RS4. It has an X-pipe, but no resonators unlike the S4 version that only fits the B6. If you have a B7 and want Magnaflow, only the RS4 version will fit because of the tips. The RS4 will require a good amount of tweaking to get the tips to line up because they are out further, likely due to the wider stance of the RS4. I pulled them in with a ratchet tie down and tightened it in that state. Here is the catback exhaust: http://www.magnaflow.com/02product/displayapplications.asp?partnumber=16689 Trexturk catless downpipes: https://www.google.com/search?q=trexturk+catless&oq=trexturk+catless
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