Audi S4 headers are designed for serious performance. Built for the B6 and B7 platforms, this longtube header system includes full stainless-steel headers and downpipes that connect directly to the cat-back section. The off-road design removes catalytic converters for maximum flow. O2 extensions are needed, and minor adjustment to the transmission mount may be required during installation.
Made with high-grade materials, the flanges are 12mm thick and crafted from 321 stainless steel for strength and heat resistance. The pipes are 304 stainless steel with a 1.9mm wall thickness, providing durability and smooth exhaust flow. These Audi S4 B6 headers are built to handle aggressive setups and deliver consistent performance gains.
Product Specifications:
- Fitment: Audi S4 B6/B7 4.2L V8
- Header Type: Longtube
- Flanges: 12mm thick, 321 stainless steel
- Pipes: 1.9mm thick, 304 stainless steel
- System: Off-road (no catalytic converters)
- O2 Extensions: Required
- Connection: From headers to cat-back
