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 optimum appearance, corrosion resistance, and longer life. With exclusive CRF ( continuous roving fiberglass ); Ultra Flo gives you a deep, powerful true performance sound with horsepower gains. Requires stock tail pipe to be cut and fit onto muffler.
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 optimum appearance, corrosion resistance, and longer life. With exclusive CRF ( continuous roving fiberglass ); Ultra Flo gives you a deep, powerful true performance sound with horsepower gains. Requires stock tail pipe to be cut and fit onto muffler.