MagnaFlow Performance Exhaust Muffler 12770: 4"/4" Inlet/Outlet, 7x7x14" Round, Stainless Steel, Satin Finish

SIGNATURE MAGNAFLOW SOUND - The 7"" x 7"" Round body of muffler 12770 is engineered to deliver the deep, resonating sound that MagnaFlow mufflers are famous for.. DYNO-PROVEN PERFORMANCE - Extensive dyno testing is used to ensure that this 7"" x 7"" Round muffler increases engine power and performance by improving the flow dynamics and evacuation of exhaust gases.. OPTIMAL ARCHITECTURE & CONSTRUCTION - The internal architecture of this muffler features a straight-through perforated core with two-stage acoustic packing which maintains the velocity of exhaust flow while generating a smooth, deep exhaust tone. Proudly made in the USA.. UNIVERSAL FITMENT - 12770’s universal design enables custom muffler placement and orientation to meet the particular spacing and mechanical requirements of your vehicle. Professional installation is highly recommended.. LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty.