This tip is constructed using 304 stainless steel for maximum strength and durability. Branded with a laser etched aFe POWER logo for quality authenticity. A high quality stainless steel barrel band clamp is used for a complete 360 degree sealing surface. Universal tip - will fit to 2-1/2" exhaust tubing and is easy to install and adjustable. See below for specifications. 2-1/2" inlet x 4" outlet x 7" overall length