Discover the best in performance and sound control technology with Flowmaster’s line of high-quality iconic 40 series Delta Force mufflers. These round-cased mufflers feature durable internal construction of T409 stainless steel, and a rugged outer case made from 18-gauge aluminized steel, ensuring longevity and reliability.
Available in part numbers for 3.5" and 4" pipe diameters, we have the perfect solution for your exhaust needs. The mufflers are designed for a wide range of applications, from street trucks to work trucks, providing excellent sound control and exhaust system efficiency.
Utilizing Flowmaster's Delta Flow technology, these two-chamber race mufflers are built for durability with fully welded 16-gauge stainless steel. They deliver good decibel reduction over open headers without the risk of internal packing blowout, making them suitable for all racing applications that require substantial noise reduction.