Sinister Diesel SD-CAI-6.7C-13 SIN Cold Air Intakes suspension-shocks-struts-components-shock-schader-valves Speed lace system for personalized

Speed lace system for personalized fit and feel

1969 Ski-Doo Alpine 640

Simple brass prongs offer easy wire connections

1988-1989 Yamaha YZ250

Bore - Actual: 60

Sinister Diesel SD-CAI-6.7C-13 SIN Cold Air Intakes suspension-shocks-struts-components-shock-schader-valves Speed lace system for personalizedSinister Diesel intakes are designed, engineered and fabricated in house to provide industry leading performance and durability. All of our intakes utilize CNC mandrel bent aluminum tubing for maximum performance and strength. Our kits include silicone couplers that are far superior in reliability to OEM materials so you can count on high performance when it matters most. All kits include the necessary installation hardware so they can be installed