GTO 2004-05 LS1/LS2 Dynatech SuperMaxx 1 3/4 " Long Tube Header System- Shipping is not included.
Dynatech's SuperMaxx Long Tuber Headers Systems is beyond comparison to other leading exhaust manufacturers.
Their superior long tube design delivers real power gains. Made from 100% T-304 Stainelss Steel with 3/8" laser cut & machine-ground flanges for a longer lasting, tight seal. Computer designed collectors for maximum air flow, low profile 4-bolt collectors. TRUE Bolt In, no welding, OBDII compliant high flow converters, utilizes factory 02 sensors, "OEM-style" triple layer stainless steel gaskets included for long term, leak free service, & bolts to factory cat-back or any aftermarket cat-back that utilizes factory connections.

• Mandrel bent headers with 3/8" flanges and hi-flow collectors
• "Flexible" donut-style gasket connectors
• Two PowerCAT catalytic converters
• Mid-pipe solutions to join with factory-style cat-back
• All clamps, bolts (including header bolts), and hardware needed for bolt-in installation
• Triple-layer stainless steel gaskets
• O2 extensions when needed to relocate factory O2 sensors
• SuperMaxx by Dynatech decals