Gale Banks Engineering Cat-Back Exhaust System for 1997-99 Jeep Wrangler TJ with 2.5L 4 cyl or 4.0L 6 cyl engine.

Constructed entirely of heavy-gauge stainless steel (T409), 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 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.

Includes: Stainless Monster muffler; Stainless 2.5 inch tailpipe; Polished stainless tailpipe tip; Mounting hardware.