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I have a question that I really need answered. Today I ran my 6 in Gainesville, my times were faster up to the three 330 ft mark, but were slower for the rest of the 1/4. Also, I lost three mph. The first times were taken with the intake only. The second ones were taken today with the list of mods below. Another factor that I considered was the temp. the first readsing was taken in Feb. with the mods I added since the first reading, the times should have been similiar or better. What do you think my 6's problem is? could it be that there is not enough tourque? Should I put the cat back in and forget about the test pipe?
 

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well, for one, its hotter. that definately slowed you down. the shogun front clip probably took its toll.

youve also probably lowered your backpressure too far with that test pipe. im not quite sure how youre apexi muffler flows but i would replace the cat and perhaps hollow it out...

try the dyno, swapping parts out. thatll give you an idea of whats going on...

also, what are the specs on the jspec cam?
 
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