R-SPEC Dual Port Piston High Flow Dump Valve Mitsubishi Evo 4 5 6 7 8 9 4x6" speaker Perfect sound without compromises

Perfect sound without compromises

Nissan 200SX S13 / Silvia

This Prosport Lowering Spring Kit will fit these Vauxhall Astra J GTC from 2011-2015 models:

Filter Mode(s) Low-Pass only

made from 2017-:

R-SPEC Dual Port Piston High Flow Dump Valve Mitsubishi Evo 4 5 6 7 8 9 4x6" speaker Perfect sound without compromisesBRAND NEW R SPEC DUAL PORT PISTON DUMP VALVE Finished in Matt Aluminium With the huge airflow capacity of modern turbochargers, this dual port dump valve delivers unsurpassed venting performance, excellent driveability and crisp turbocharger response in on and off throttle situations. Most dump valve have limitations in their design that inhibit the levels of performance when it comes to larger bhp boost cars. Piston and bore diameter plus venting