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4" Dual Slant Double Wall Muffler Tip Exhaust Catback System For 02-05 A4 DOHC

$388.13 USD $621.00 USD

Upgrading vehicle exhaust system is a great way to build horsepower, free up trapped torque, and improve upon restrictive factory systems. The larger pipes, low-restriction mufflers, and tuned resonators of a well-designed performance exhaust system can make a world of difference on your vehicle. The net result is lower auto exhaust backpressure, more horsepower, more torque, and a much better sound.

  • Inlet/Outlet: 2.50"/2.50".
  • 4.00" Dual Slant Double Wall Muffler Tip, 2.50" Major Piping
  • TIG Welded CNC Machine Flange for Resistance against Pressure and Corrosion
  • Performance: Improve overall performance, Increase Horsepower and Torque, Dyno Proven to Instantly Increases 10 -20 Horsepower/Low End Torque.
  • Built to last: This Catback Exhaust System designed and built with Quality & Last for long Life. Properly sized tubing for maximum flow and is finished off with a low restriction racing muffler.
  • Significant Driving Improvement: Designed for high performance as well as meeting sound level standards & deep throaty tone, Race-Inspired Straight-Thru Design piping for maximum air flow.
  • Since the item is designated as Racing, Off-Road, Or Show Use Only, We Do Not imply or offer any warranty.
  • Material: Stainless Steel. Color: Metallic


  • 02-05 Audi A4 Sedan/Coupe 1.8L/2.0L DOHC

Remark: Fit FWD Models ONLY


Product Content:

  • 1x Catback Exhaust Kit
    Hardware as Shown in the Picture Above

No Instruction, Professional Install Recommended

Manufacturer Part Number: BFC-CATBAUDIA402-F18L
Interchange Part Number: BFC-CATBAUDIA402-F18L
Other Part Number: BFC-CATB