Forge Blow off valve kit Audi S4 / S5 B9 interieur Racing-grade: designed for heavy-duty use

Racing-grade: designed for heavy-duty use

Multi-layer steel

• Type: cold Air Intake system•

air filter: 4-inch conical

build-up• Faster recovery from heat

Forge Blow off valve kit Audi S4 / S5 B9 interieur Racing-grade: designed for heavy-duty useThe Forge Blow Off Valve Kit is a direct upgrade for the Audi S4 and S5 B9. This kit is designed to outperform the OEM valve, offering better response, handling higher pressure and producing the desired blow off sound. Manufactured in the United Kingdom, this valve has a polished finish and is easy to fit. Features Direct bolt on Distinctive woosh sound Internal piston for faster response and durability Polished finish All hardware included