DynoMax Exhaust

DynoMax Muffler Ultra Flo Stainless Steel For 1991-99 Jeep Wrangler YJ & TJ 4.0L 6 cylinder engine Ultra Flow performance muffler Manufactured from all stainless steel materials Limited lifetime warranty Fits 4.0 liter 6 cylinder. The Ultra Flo Muffler by Dyno Max may very well be the best performance muffler on the market. It utilizes a straight-through design to maximize flow and power with a continuous perforated tube design. Manufactured from all stainless steel materials for... Read More Learn More

DynoMax Super Turbo Muffler For 1991-99 Jeep Wrangler YJ & TJ 4.0L 6 cylinder engine Super turbo muffler Manufactured from all aluminized materials Limited lifetime warranty The best value in motorsports and the most popular. Super Turbo has patented flow directors inside the muffler to properly channel the exhaust flow, eliminating turbulence. A fiberglass mating delivers an aggressive performance sound. Manufactured from all-aluminized materials. Fits These Vehicles: 97-99... Read More Learn More

2.5L 4 cylinder or 4.0L 6 cylinder engine Ultra Flow performance muffler Manufactured from all aluminized materials Limited lifetime warranty Ultra Flo Welded Mufflers are 100% aluminized material for long life and have 100% continuous welded seams for maximum durability. Direct fit to your stock components. Limited Lifetime warranty. Learn More