Huge 2.5 inch stainless mandrel-bent tailpipe with a polished or black tip. Straight-thru Monster muffler flows up to 140% better than stock. Slashes backpressure, throaty sound. Constructed of heavy-gauge stainless steel, Banks Monster features a supersized, 2.5 inch tailpipe with a stainless tailpipe tip polished to a mirror finish. Banks Monster muffler, its straight-through performance muffler, is the industry's least restrictive. In comparison tests, Banks muffler flowed 501.2 cfm at 1 psi - a 140% improvement over the stock exhaust's 208.6 cfm, and about 44% better than the nearest competitor. Monster virtually eliminates backpressure from the catalytic converter back, for more power and efficiency - and an authoritative, yet civil, exhaust note.;For maximum results, combine with Banks TorqueTube system.;Includes:^Stainless Monster muffler, Stainless 2.5 inch tailpipe^Stainless tailpipe tip in polished chrome or black^Mounting hardware. PartNumber : gbe51312-B Description : Banks Power 97-99 Jeep 2.5/4.0L Wrangler Slip Fit Cat Monster Exh Sys - SS Single Exh w/ Blk Tip Add-On Part : NA Title : Monster Exhaust System Single Exit Black Ob Round Tip 97-99 Jeep 2.5/4.0L Wrangler Banks Power 1997-1999 Jeep Wrangler Sahara L6.-cc Exhaust, Mufflers & Tips::Catback 1997-1999 Jeep Wrangler SE L4.-cc Exhaust, Mufflers & Tips::Catback 1997-1999 Jeep Wrangler Sport L6.-cc Exhaust, Mufflers & Tips::Catback