FMF Racing PowerBomb Header Up to 10% horsepower gain. Proprietary technology to increase flow. Pre-muffler lowers sound output up to 1.5dB. Modular exhaust port flange for reliability and less vibration.This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Exhausts & Exhaust Systems\Headers, Manifolds & Studs". The seller is "big_country_motorsports" and is located in this country: US. This item can be shipped worldwide.