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0505htp Truck 16 Z

Stout 0.375-inch flanges secure the Y-pipe-to-cat-back connection. On mine, as well as other '04 trucks, the Y-pipe studs are too short, so I pounded them out with a five-pound sledge and replaced them with bolts. A graphite donut gasket replaces the OEM metal-to-metal connection and has been leak free since installation.
Stainless Works Headers & Catback Install - Velocity Viagra

 Stout 0.375-inch flanges secure the Y-pipe-to-cat-back connection. On mine, as well as other '04 trucks, the Y-pipe studs are too short, so I pounded them out with a five-pound sledge and replaced them with bolts. A graphite donut gasket replaces the OEM metal-to-metal connection and has been leak free since installation.  View Related Article

 

 

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