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Engine size-440 .030" over 11-1 compression, 850 Holley, TM- intake
Cam size- .590 solid, roller rockers
Header brand and size- Pro Parts 2" primary to 3" collector
Pipe diameter 3" Summit kit
Cross over - X pipe, H pipe, - None
Muffler type and size- Summit 3" kit
Tail pipes, size.- Summit 3" kit

This is the 3" summit exhaust kit for the small block with headman headers modified for my Big Block

[ame="http://www.youtube.com/watch?v=jKpTqy9bKAc"]YouTube- Demon with new 3" exhaust[/ame]