Dyno Thunderslide kit XL1200S 98-01

Dynojet is known for their knowledge and design capabilities when it comes to carburetor improvement and fuel efficiency. Their latest design is a special shaped carburetor slide. They claim this special "ThunderSlide" will bring a gain of 10 Horsepower, better throttle response and improved gas mileage, even better when installed in combination with a K&N air filter element. Stage 1 kits are for use with stock carburetor, Stage 7 kits are developed for use with non-stock Big Bored engines or aftermarket carburetors.