SpeedFactory 45 Degree Silicone Coupler 2-2.5 Inch DC5 Spark PlugEP3 Spark PlugFD2 Spark PlugFN2 Spark PlugS2000 Spark Plug The interlock is no longer

The interlock is no longer welded and braced - the interlock and shift piece are now CryoHeat treated and micropolished

Soldering required for assembly

Changing the ECU and other settings lets you easily power up your turbocharged engine by increasing the inhale levels

Once applied do not wet windscreen to allow product to cure

poor fitment

SpeedFactory 45 Degree Silicone Coupler 2-2.5 Inch DC5 Spark PlugEP3 Spark PlugFD2 Spark PlugFN2 Spark PlugS2000 Spark Plug The interlock is no longerSpeedFactory 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