Wake up your stock exhaust with aFe's stainless steel, universal fit MACH Force-Xp muffler designed to provide a deep, throaty, powerful sound on acceleration yet maintains a smooth sound at idle. Constructed of 409 stainless steel, the MACH Force-Xp muffler uses a straight through perforated core with heat resistant packing to reduce backpressure and maximize exhaust flow for performance and sound improvements over the facto ry exhaust. Stainless Steel Construction: Constructed of 409 stainless steel for long lasting strength and durability. Design and Sound: Designed for exhaust gasses to travel straight through the heat resistant perforated core for a remarkable tone. Universal Fit: Universal muffler fits 2-1/2" stainless steel tubing. Muffler does not come slotted. Muffler Specifications: Configuration: 2-1/2" Center Inlet / 2-1/2" Center Outlet. Size: 18" body length, 6" round body, unslotted. Stamped with an aFe POWER logo: Features an aFe POWER logo stamped onto the muffler for quality, brand authenticity.