Great noise and proper flow.
Great noise and proper flow.
Products
This 4-2-1 tubular race manifold will replace the restrictive standard cast iron manifold and downpipe containing the cat converter and will provide performance gains of up to 20 BHP once fitted.
Features:
* Made from high...
Simply by replacing the standard downpipe with this sports cat downpipe your Civic Type-R will instantly gain up to 15BHP!
This is because our downpipe removes the very restrictive catalytic converter and replaces it with a 100CPI high f...
It’s been a long hard winter for Team Japspeed in the run up to t
