Dynatech's COMPLETE Header, Intermediate Pipes, (eliminates cats) Package is the perfect way to get more power out of your 2004 Pontiac GTO 5.7. Gain 31HP and 28 lbs TQ.

These SuperMAXX headers from Dynatech incorporate the latest in racing exhaust technology for increased horsepower and torque. They feature all T-304 stainless steel construction for strength and durability, along with CAD-designed Aero-flow collectors. They have CNC laser-machined flanges and are designed to fit in the stock location. By reducing exhaust restriction via their precision bends, your new Dynatech Headers will result in more horsepower and torque. Their superior quality means they are built to last.

Brand New Header Bolts and Gaskets are included at no additional charge. O2 Extenders also included.

The Headers are integrated into a X-Pipe merge assembly for increased exhaust flow by almost 30%, and provide an OE style factory connection to the muffler assembly. They have provisions for O2 sensors and are fully OBD-II compatible.

The part number for this item is 715-73410 (headers) and 715-73430 (midpipes) and it fits 2004 Pontiac GTO 5.7 models.

Dynatech Header Specifications:

Application: 2004 Pontiac GTO 5.7
Part Number: Dynatech 715-73410 (headers) and 715-73430 (midpipes)
Style: SuperMAXX Headers, Cats, and Intermediate Pipes
Finish: T-304 Stainless Steel
Primary Length: 1 3/4"
Collectors? 3"
Header Bolts Included? YES
O2 Extenders Included? YES
Gaskets Included? YES
Cats Included? No, Eliminated (Off Road/ Racing System)
Intermediate Pipes Included? YES X Pipe Included
Bolt On? YES, No Welding Required!
Warranty? YES, One Year

We Guarantee the lowest out the door price on Dynatech Headers. If you find the same Dynatech part number for sale somewhere else for a lower out the door price, we will match or beat the price. Simply give us a call at 866-639-5385 during regular business hours and direct us to where we can see the better price.

We think our prices on Dynatech Headers are very competitive, but if you think you've found a better deal, we want to know!