Quote:
Originally Posted by 171LE
Ted,
Why is there a large wave on the torque curve (1 7/8" vs 2")
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The larger headers on a stock engine give up low end torque in exchange for top end flow.
1 7/8 is Red, and 2 inch is Blue and included the MSD intake which is responsible for the loss of torque down low in exchange for big power up top.
Black was our baseline all stock parts.