i dont believe i noticed it spoolin up any quicker but definately more boost, louder turbo whistle!
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04.5 3500 1 ton/auto/SMARTY TNT
/Quad boost fooler & commander/ice box intake & COOL hose/GDP intake elbow/FASS 150/straight through 4inch duals/L.E.D lights everywhere/custom cut rocker panels/18inch rims/fender flares/alpine stereo system/coming soon: trans work