Home > Audi > A4/S4 > B5 S4 > Engine >

  Techtonics Stainless Steel Cat-Back Exhaust, B5 Audi S4 2.7T

Part# 252.590

Inlet Size


B5 Audi S4 up to 2002 2.7T, T-304 Stainless Dual 2.5 inch exhaust with Borla mufflers. Please select if this cat-back is being used with the stock downpipes or the TT cat-back.

Certified Seal

Security Seals