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Multi-layer steel
R33 and R34
• Type: cold Air Intake system•
the tone remains refined
Forge Blow off valve kit Audi S4 / S5 B9 interieur Multi-layer steelThe 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
US$ 33.99
US$ 35.99
US$ 13.99
