MagnaFlow performance exhaust has universal mufflers available for many applications in various sizes and configurations to fit your needs. MagnaFlow universal mufflers are a great addition since they not only improve your vehicle performance but also give it that show-stopping look. SIGNATURE MAGNAFLOW SOUND - The 4" x 9" Oval body of muffler 13148 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 4" x 9" Oval 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 - 13148’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. MODEL NO - 13148