Top Gun Slip-ons deliver maximum horsepower gains with a style statement like no other. Bold 4-1/2in. , one of a kind, inner and outer precision-channeled, gloss black end caps set off the style of this performance upgrade slip-on. MagnaFlows top-of-the-line Pro-Flow, three-step, perforated baffle cores are engineered to generate dynamic power and added throttle response. The Top Gun Slip-on delivers amazing deep, rich, roaring sound quality through the power band. Ideal for highly tuned engines for ultimate flow and output. Easily bolts on to stock or MagnaFlow headpipes. Available in show chrome or deep black finishes with gloss black end caps. All hardware included. Sold in pairs. Made in the u. s. a.