This three chamber design Incorporates Flowmaster’s patented delta flow technology. The delta deflectors generate Increased scavengIng for better performance and reduced Interior sound. Milder exterior tone and reduced Interior resonance over standard 40 Series. Constructed of 16 gauge 409S staInless steel and fully MIG welded for maximum durability.
Mild to moderate exterior exhaust tone
Reduced Interior resonance
Excellent choice for street rods cars and trucks
Improved horsepower or torque and potential mileage improvement
Race proven patented delta flow technology