Gain 14 HP and 9 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Ford F-150 5.4L V8 maximum performance both on and off road. Designed to be a direct replacement fit for restrictive factory exhaust and catalytic converter systems, these systems are a great way to get that extra power you are looking for.
For ceramic coating, add Dynatech® Ceramic Coating part number 31179000100 to your cart.
- Primary Tube Size: 1-5/8"
- Collector Size: 2-1/2"
- System Tube Size: 2-1/2"
- Material: T-304 Stainless Steel
- OBD II Compliant: Yes
- Hardware Included: Gaskets, Bolts, O2 Extensions
- Fit: Direct Bolt-Up to any factory or aftermarket cat back
311-72284210 Instructions (PDF)
- These products are intended for racing and off-road applications. Not legal for sale or use in the state of California, nor in states which have adopted California emissions standards.
- 3/8" laser-cut and machine-ground flanges for a long-lasting, tight seal
- Computer-designed collectors for maximum air flow
- True bolt-in — no cutting or welding
- "OEM-style" triple-layer stainless steel gaskets included for long-term, leak-free service