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Engineered through extensive testing on Japanese circuits and roads
and will not corrode like your stock steel bolts or studs
We have an effective solution if you are dealing with your car's exhaust system issues
Fits Evo VIII 3 plug versions
SpeedFactory Straight Transition Silicone Coupler 3.5-4 Inch 51220-SDA-305 Engineered through extensive testing onSpeedFactory is proud to offer our own line of silicone couplers. Our 4 ply Polyester reinforced silicone couplers have been made to survive serious boost applications. Manufactured to the SAE J20 specification and utilizing 4 plies of polyester, we can achieve a continuous temperature range up to +376 degrees F for direct turbo installations and have burst pressures up to over 200PSI. All of our hose products are made with a super slick outer cover
