Features
SIGNATURE MAGNAFLOW SOUND - The 4" x 9" Oval body of muffler 11378 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 - 11378’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.
Details
Experience the iconic MagnaFlow sound with the MagnaFlow X-PIPE Performance Muffler 11378. With its signature deep and resonating sound, this muffler is designed to elevate your vehicle's performance and make heads turn.
Don't settle for an ordinary muffler – trust MagnaFlow's dyno-proven performance. Extensive testing ensures that the 4" x 9" Oval body of the 11378 muffler improves engine power and enhances exhaust flow dynamics. Feel the difference in your vehicle's performance as it effortlessly evacuates exhaust gases.
Our muffler's optimal architecture and construction make it stand out among competitors. The straight-through perforated core, combined with two-stage acoustic packing, maintains the velocity of exhaust flow while delivering a smooth and deep exhaust tone. And the best part? It's proudly made in the USA.
Enjoy the ease of installation with the universal fitment of the 11378 muffler. Custom placement and orientation options make it adaptable to any vehicle's spacing and mechanical requirements, ensuring a perfect fit. For best results, we recommend professional installation.
Worry-free ownership is guaranteed with MagnaFlow's limited lifetime construction warranty. Feel confident knowing that your investment is protected, and enjoy the exceptional performance of the 11378 muffler for years to come.
Upgrade your vehicle's sound and performance with the MagnaFlow X-PIPE Performance Muffler 11378. Take advantage of this limited time offer and order yours today! Shop now.
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