Catless Turbo 3" to 2.5" Downpipe Exhaust for 1997-2005 Audi S4 B5 A6 Allroad C5 2.7L K03 K04 RS6
Experience the perfect blend of quality engineering and exceptional value with these high-performance headers. Manufactured from durable T-304 stainless steel with precision CNC-machined flanges and TIG/MIG welded construction, they deliver superior durability and flow characteristics. Computerized mandrel bending technology ensures smooth exhaust airflow for improved scavenging and reduced back pressure.
Features:
- Pipe Inlet Diameter: 3in.
- Pipe Outlet Diameter: 2.25in.
- Pipe Thickness:16 gauge (1.5mm)
- Pipe Diameter: 3"(76mm) Tapering to 2.5"(64mm)
- Turbo Fitment: for K03 Turbo & Upgrade K04/RS6 Turbo
- Up to 20hp added at high RPM
- Catalytic converter deleted to remove restrictions on exhaust flow
- Hybrid inlet flange design that directly bolts onto K03/K04/RS6 turbos
- Incorporated heavy duty flex pipe to absorb vibrance
- Immediate turbo spool-up
- Test pipe outlets necked down to fit OEM sleeve clamps
- Mandrel bent piping made from high quality 16-gauge(1.5mm) austenitic T304 stainless steel
- TIG welding at all joints for greater durability and appearance
- CNC-machined stainless steel V-band clamps and flanges with male/female facing for pressure tight connection and easy install
- Polished surface for extra resistance against rusting
- Professional Installation is Highly Recommended (No Instruction Included)
- 2000-2002 Audi S4/RS4 2.7L 2671CC V6 DOHC Turbocharged (B5 | Typ 8D)
- 2000-2004 Audi A6 Quattro 2.7L 2671CC V6 DOHC Turbocharged (C5 | Typ 4B)
- 2001-2005 Audi Allroad Quattro 2.7L 2671CC V6 DOHC Turbocharged
- 2.7L B5/ C5 V6 30V Turbo Models ONLY, Only Suitable for Manual Transmissions
VEHICLE NAME | YEAR | ENGINE |
---|---|---|
Audi A6 Quattro | 2000~2004 | 2.7L |
Audi Allroad Quattro | 2001~2005 | 2.7L |
Audi RS4 | 2002 | 2.7L |
Audi S4 | 2000~2002 | 2.7L |
Attention
Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.
Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.
Performance gains may vary—no guarantees.