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

DynoMax Super Turbo Cat Back Kit 1987-95 Jeep Wrangler YJ With 2.5Ltr or 4.0Ltr Engines Aluminized tubing and muffler Stainless steel tip Limited lifetime warranty Upgrade your factory exhaust with a system that features the most popular muffler in motorsports history- the Super Turbo. Dyno-max Cat Back Systems utilize mandrel bent pipes which increases flow more than 35% compared to the stock serrated bent pipes. Pipes follow OE routing precisely so they fit properly the fist time.... Read More Learn More

Increase the performance of your Dynomax muffler with a Dynomax Tailpipe featuring mandrel bends for better flow over stock tailpipes. Learn More