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Discussion Starter #1
i just put on a intake system and a 3 inch exhaust ( still have stock dp) and theres not much of a difference?? why is the stock dp that much of a difference in power ??? thanks
 

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ma70-7m=1JZ
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Yes you primary cat is probably plugged. I first put on 3" cat back, and there was quite a big power increase. Later I built a full 3" downpipe/elbow and it was like driving a different car, It spooled up much qucker and pulled harder.
 

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Discussion Starter #4
i think it is clogged cause when i boost sometimes (only in hot weather) it over heats a little... and i hope i dont poop my pants !! lol
 
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blksupra88 said:
i think it is clogged cause when i boost sometimes (only in hot weather) it over heats a little... and i hope i dont poop my pants !! lol

Fix the car problems first, then come back.
 
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