Edelbrck vs Trick Flow

moparstud440 said
How big of a et gain did the 1 7/8 headers make compared to the 1 5/8?

11.70 @114 6000ftda w/ 1 5/8
[email protected] 7000ft da w 1 7/8
Everything else basically the same aside from tuning. Not all combos will react the same. I honestly did not expect that much of a difference.