STM Silicone Elbow Couplers (90° Reducer) Size (I.D.):(Reducer) Elbow Coupler 2.00"-2.50" The GrimmSpeed Manual Boost Controller

The GrimmSpeed Manual Boost Controller redefines precision control and will deliver the results that you demand

Your hydraulic lifters are designed to eliminate all valve lash

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A soft buffer is included for the bottom of the catchcan to for stability on the frame rail and to prevent scratching

• STM 2G DSM AWD Downpipe for STM O2 Housing

STM Silicone Elbow Couplers (90° Reducer) Size (I.D.):(Reducer) Elbow Coupler 2.00"-2.50" The GrimmSpeed Manual Boost ControllerDescription: We have searched out the very best silicone hose manufacturers and are proud to offer our own brand of STM silicone couplers. We would not put our name on these if they were nothing less than the best! Couplers are black outside and orange inside with the STM logo. Available in I. D. sizes reducing from 2" to 3". Sold individually. Price is for one coupler. Please Note: Leg diameter is measured from the center of the elbow, so you will