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Fiber Imprints

FI Catless Downpipe for Audi S4/S5 | B9 | B9.5

FI Catless Downpipe for Audi S4/S5 | B9 | B9.5

Regular price $499.99 CAD
Regular price Sale price $499.99 CAD
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Shipping calculated at checkout.

Upgrade your Audi S4 or S5 with our high-performance catless downpipes and gain an impressive 21 WHP. Designed for maximum power and efficiency, these downpipes enhance exhaust flow, reduce backpressure, and significantly boost horsepower. Made from durable, premium materials, they ensure long-lasting performance and a perfect fit. Transform your driving experience with our S4/S5 catless downpipes and unleash the true potential of your engine. Enhance your Audi’s power and sound while improving overall performance with this essential upgrade.


  • Custom FI Catless Downpipe
  • Strong 304 Stainless Steel
  • Tig Welded for Strong Durability 
  • Large 3" Diameter
  • OEM Fitment
  • Loud Aggressive Tone
  • Reduces Turbo Back Pressure for faster Turbo Spool Response
  • Enhances Exhaust Note
  • 21+ WHP Gain with Correct Tuning Software
  • 33 TQ Gain with Correct Tuning Software

Fitment: Audi S4 / S5

  • S4 B9
  • S4 B9.5
  • S5 B9
  • S5 B.5

 *Off-Road Use Only

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After your payment method has been processed please allow for 1 - 3 business days for your package(s) to be shipped out. Once your item has been shipped you will be provided with your track number via email.

Our Items are shipped out of Canada meaning local residents WILL NOT have to pay any type of border fees. International shipments MAY be subject to border fees.


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