MagnaFlow Exhaust Products 15144 MF Series Performance Cat-Back Exhaust System 3 in. Incl. Tubing/5x8x24 in. Muffler/Tailpipe/4 in. Round Tip Single Pass. Side Rear Exit Stainless Superseded To PN[19421] MF Series Performance Cat-Back Exhaust System 100% Stainless Steel, Axle-Back Stainless Steel; 3 in Tubing; 4 in Tip; Single 90 Degree Passenger Rear Exit Lifetime Warranty Dyno Tested And Proven To Make Power Great Sound, Has A Smooth, Deep Tone.