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04-11-2002, 02:50 PM

4-2-1 is the best header design for our cars.
2.25" piping should be fine. I have 2.5" and didn't notice a loss of torque.

04-11-2002, 02:50 PM	#4
Smitty90acc Posts: n/a	4-2-1 is the best header design for our cars. 2.25" piping should be fine. I have 2.5" and didn't notice a loss of torque.