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42 Draft Designs - Audi A3 2.0t FSI / TSI - Slip-fit 2.5" Cat Back Exhaust

42 Draft Designs

Everyone changes their exhaust, but not everyone needs a 3" turbo-back. The 42 Draft 2.5" slip-fit cat-back is a "back to the basics" system designed for everyone. True slip-on and bolt-up installation requires few tools and no modification. The sound is race-inspired and refined. Best of all, a healthy power increase can be instantly felt. If you're looking to add a simple cat-back exhaust to your Audi A3, the 42DD 2.5" slip fit system is a great budget choice!

The 42 Draft Designs 2.5" slip fit cat-back begins where the factory downpipe ends. A permanent reduction to 2.36" allows 2.5" piping to slide into the factory clamp for a leak-free fit. After the clamp a set of hangers slide into the factory hanger bushings and supports the piping as it bends into a Magnaflow muffler supported by an additional hanger. After the muffler a short bend ends at a CNC machined flange. This flange connection is adjustable allowing precise fitment of the tips. Piping leaves the flanges and routes neatly under the rear suspension. A precisely fabricated merge splits the 2.5" piping into two without disrupting flow. Hung neatly in the factory exhaust cutout sits a pair of high polished stainless steel tips.

Installation is simple, adjustable, and reliable. A permanent reduction allows use of the stock sleeve clamp. Precise design and fabrication routes 2.5" piping clear of heatshields. Adjustable flanges allow further adjustment if necessary, sealed by a double layer graphite gasket and locking hardware. A pair of collars allow the rear hanger to be locked in place. This means your tips will never slide.

The sound is sporty and refined - not too loud and not a hint of rasp.

  • Construction Highlights
  • * CNC mandrel bent 14 gauge aluminized steel tubing
  • * CNC machined 1018 cold roll steel flanges
  • * Professional TIG welded construction throughout
  • * Magnaflow 409 stainless steel muffler
  • * 304 stainless steel polished tips
  • * Double layer graphite gaskets
  • * Grade 5 locking hardware
  • Fitment Details
  • * Fits 2006-2013 Audi A3 2.0T FSI/TSI
  • * Connects to factory exhaust using stock sleeve clamp
  • * Completely reversible - no permanent modifications necessary
  • * Adjustable flanges allow for precise fitment on every vehicle
  • Available Options
  • * Vehicle Fitment
  • * Tips
More Information
Brand 42 Draft Designs
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