Forge Blow off valve Audi A4 / S4 / RS4 B9 en A5 / S5 / RS5 F5 JXB the racing catalytic converter is

the racing catalytic converter is designed as a drop-in replacement for the restrictive factory catalytic converter

A unique feature of the adaptor version is that it allows you to connect a large-port Intake manifold to a small-port cylinder head

These NGK Laser Iridium spark plugs are supplied individually

this kit works perfectly on a standard engine

Forge Blow off valve Audi A4 / S4 / RS4 B9 en A5 / S5 / RS5 F5 JXB the racing catalytic converter isForge Motorsports new generation Blow Off Valve, manufactured in the United Kingdom, is designed for the Audi A4, S4 and RS4 (B9) and the A5, S5 and RS5 (F5). This valve fits the 2. 0 TFSI, 2. 9 TFSI and 3. 0 TFSI engines without the need for any modifications. Featuring a black anodised aluminium housing and an integrated solenoid, this valve delivers optimum performance and a unique blow off sound. Features Direct fit Blow off design (open)