Features 1、Allows short time 400℃ high temperature continuous work, 360℃ high temperature without deformation. 2、Prevent voltage and current instability from causing damage to the motor. 3、Low power consumption, long service life, depndable to use. 4、304 stainless steel material, more corrosion resistant, more convenient for welding. 5、Fire and heat resistant, flame retardant material, not afraid of open fire. Specification Condition: 100% Brand New Item Type: Exhaust Valve Material: 304 Stainless Steel Color: As picture shown Application: Universal for most car Caliber: Approx. 50mm/2in Installation: 1. Determine the installation position before or after the drum according to the displacement of the vehicle 2. Draw the position and cut (straight and curve pipe both can be cut) 3. Determine the position of spot welding, straight and curve pipe can be directly welded on the exhaust pipe 4. Shine a torch on whether there is any light leakage, then clean it and welding to seal 5. Then connect the pipe and finish the welding of the drum (the elbow can be rotated) Package List 1 x Fuze 1 x Remote Control Key(Shipped Without Battery) 1 x Car Charger Controller 1 x Exhaust Valve