Turn up your truck’s performance and sound with the deep, rich and powerful tone of Flowmaster’s Super 40 muffler (8530452), an extra-deep upgrade of the Original 40 series. The Super 40 muffler included in this kit has an extra-deep 5” case for exceptional resonance, Delta Flow technology, MIG-welded 16 gauge S409 automotive-grade steel for exceptional durability, and a limited lifetime warranty from Flowmaster.
This muffler boasts Flowmaster’s best performance for high horsepower vehicles, and the larger case provides a desirable balance of moderate interior and aggressive exterior sound. The stainless steel dual tailpipes are mandrel bent for decreased restriction, and the dual exhaust provides exceptional performance and reduced back pressure. We also include 45° angle turnouts for a stylish corner exit, and classic angle-cut stainless steel tips. If you have been wanting to get more out of your truck, this performance stainless dual upgrade is a terrific investment.