I am in the process of buying parts and was wondering from any of you floks that have done long tube headers and catted xpipe if there was any gain than leaving it stock manifold and stock cats. Any help would be appreciated.
Long tube headers are okay, on a well modified motor. You'll get just as much, with equal length shorties reason being, they'll scavenge the exhaust gasses better. With a stock motor or mildly modified motor, the longer the tube the slower the flow. Your better off, with equal length shorties and a free flowing catted X Pipe, Mike. SCT Tuner.
You can pick up as much as 20 if tuned right. Even more with heads and cams.
Yah.... I figure you can get out 25-30 from LT's with some cam's....Cams and LT's tuned and installed right should give you around 55rwhp combined with a cai.
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Anyone done a side by side with N20? I'm guessing I would see bigger gains with long tubes and my nitrous. I'm debating on getting either FRPP cams OR long tubes with cats. Naturally I want both...but paying cash for both right now would not be fun
Quote:
Originally Posted by jaystar86
Yah.... I figure you can get out 25-30 from LT's with some cam's....Cams and LT's tuned and installed right should give you around 55rwhp combined with a cai.
Long tube headers are okay, on a well modified motor. You'll get just as much, with equal length shorties reason being, they'll scavenge the exhaust gasses better. With a stock motor or mildly modified motor, the longer the tube the slower the flow. Your better off, with equal length shorties and a free flowing catted X Pipe, Mike. SCT Tuner.
Not even close.
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Long tube headers are okay, on a well modified motor. You'll get just as much, with equal length shorties reason being, they'll scavenge the exhaust gasses better. With a stock motor or mildly modified motor, the longer the tube the slower the flow. Your better off, with equal length shorties and a free flowing catted X Pipe, Mike. SCT Tuner.
Sorry, but this makes no sense .
Longer the tube slower the flow? No.
Equal length shorty headers are by far better than stock. But Long Tube headers are an even better choice.
Equal length shorty headers are by far better than stock.
I don't have any first-hand experience, but from various threads I've read on here, it seems like the shorty headers don't do a whole lot of good. What kind of HP do shorties add versus LT's?
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Well Opininions very alot so I said screw it and ordered American Racing Headers w/ catted X-pipe, JLT CAI and a Magnaflowe cat back, I really dont need to piss off my neibors with a crazy loud exhaust at 4:45 in the morning. My local tuner is going to dyno tune it on his Mustang (Brand Name) Dyno. It was a toss up between Kooks and American but I went with American for a few reasons. I will let you know how it turns out. Hopefully I am not Disapoionted.
Long Tube Headers provide any gain 
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