MagnaFlow 15234 Cat-Back Exhaust System 100% Stainless Steel, Axle-Back 5 x 8 x 14in. Muffler; 5 x 5 x 14in. Resonator; 2.5in. Tubing; 4.75/3.25in. Oval Polished Stainless Tip Lifetime Warranty Dyno Tested And Proven To Make Power Great Sound, Has A Smooth, Deep Tone.