Did you know the OEM plastic BiPipe changes size and shape at four points and has a diameter of just 1.5 inches? Eliminate this restriction with our high-flow 2.7T BiPipe Kit!

Cad Designed specifically for the Audi B5 S4, A6, and Allroad equipped 2.7T's, the BiPipe Kit utilizes 321 STAINLESS titanium induced with heat disbursement far better than others that sell aluminum for efficient heat dissipation, and it is fabricated with precision mandrel bending for factory fitment.
This provides a direct bolt-on install, we also included triple ply silicone hoses, and these pipes offer clearance for both side-mount and front-mount intercoolers, as well as stock and electric fan kits.

So why choose this 2.7T BiPipe Kit? Our BiPipe Kit comes in a diameter of 2.00 inches, a 33% increase over stock.

This benefits all applications including K03, K04, and GT/TiAL Turbochargers. Additionally, the diverter valve ports have been increased on both models to nearly twice the size of OEM. What does this all mean? More flow, more power, better throttle response, and elimination of boost leaks and creep. XS-POWER PROVEN PERFORMANCE.

Each kit comes complete with 4 PLY 1" Silicon Diverter Boots & all necessary SS clamps

97 / 98 / 99 / 00 / 01 / 02 Audi S4 B5 Typ 8D 2.7L Bi-Turbo 97 / 98 / 99 / 00 / 01 / 02 / 03 / 04 Audi A6 C5 Typ 4B 2.7L Bi-Turbo 01 / 02 / 03 / 04 / 05 Audi Allroad A6 C5 Typ 4B Quattro 2.7L Bi-Turbo

2002 Audi S4 Avant Wagon 4-Door 2.7L 2671CC V6 GAS DOHC Turbocharged 2002 Audi S4 Base Sedan 4-Door 2.7L 2671CC V6 GAS DOHC Turbocharged 2001 Audi S4 Avant Wagon 4-Door 2.7L 2671CC V6 GAS DOHC Turbocharged 2001 Audi S4 Base Sedan 4-Door 2.7L 2671CC V6 GAS DOHC Turbocharged 2000 Audi S4 Base Sedan 4-Door 2.7L 2671CC V6 GAS DOHC Turbocharged