Designed specifically for the Audi B5 S4, A6, and Allroad equipped 2.7T's.
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.
Our 2.7T BiPipe Kit comes in a diameter of 2.00 inches

Fitment:

1997-2002 Audi S4 B5 Typ 8D 2.7L Bi-Turbo
1997-2004 Audi A6 C5 Typ 4B 2.7L Bi-Turbo
2001-2005 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