PRXB ECM By-Pass Kit – C12015 INTAKE MANIFOLD All B6 4600 shock absorbers

All B6 4600 shock absorbers are tuned for each specific application to ensure optimal performance is achieved

2wd Output Shaft

new springs

Part Number: 214311

PRXB ECM By-Pass Kit – C12015 INTAKE MANIFOLD All B6 4600 shock absorbersProduct Description If your engine's electronic control module (ECM) has a delay activating your Pacbrake exhaust brake, this kit may be the answer. Pacbrake's ECM By Pass kits reduce the delay in activating the exhaust brake by more than 50%. This ECM By Pass System is an optional feature for Exhaust brake kits C44074 & C44064 * NOTE: All 1994 2002 trucks using a DirectMount kit that have 4" aftermarket exhaust systems require an additional adapter