X pipe H pipe or side by side

1Fast340 said
Oh i just realized i read the post wrong .3tenth is a very small gain i thought it was .3seconds. every gain is a gain but that was a rather small one.

chrispy1971gtx said
I talked to a gentleman on here who runs a Pure Stock Drags 340 GTS and he claims .3 tenths improvement on an X-pipe 2.5" exhaust alone.

.3 tenths is a lot. Try to get 3 tenths more out of a dialed in strip car.

And you some added perspective....

10.90 vs. 11.20 @ 1320