DYNOJET THUNDERSLIDE KITS EXHAUST_COMPONENTS -99-04 Twin Cams will require

-99-04 Twin Cams will require the additional purchase of valve springs pn 900-0593

Replaces OEM # 61411-82 / 61413-86

All one-piece billet construction

BE SURE TO VERIFY BRAKE FLUID REQUIREMENTS IF USING USED CALIPERS

Handcrafted right here in the USA

DYNOJET THUNDERSLIDE KITS EXHAUST_COMPONENTS -99-04 Twin Cams will requireDynojet Thunderslide Kits Excellent performance upgrade Designed for engines with stock or aftermarket air filter and exhaust system Revolutionary composite plastic slide provides unparalleled performance gains in both horsepower and mileage New emulsion tube has an increased amount of holes and decreases the size of them to overall provide more fuel but help atomize the fuel droplets for a more combustable mixture Unique set of lift holes moderate