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Random midpipe vs. LT header ROI?

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Old May 1, 2004 | 01:58 AM
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blu00rdstr's Avatar
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Default Random midpipe vs. LT header ROI?

CA resident here. I'm thinking midpipes pass smog easier than LT headers. I'm also thinking they're more bang for the buck.

But has anyone compared the $/hp gain of a midpipe vs. LT headers? From what I've read, on a stock motor there's a 20hp gain from removing cats. I've also read there's up to a 30hp gain on LTs + midpipe.

Random midsections are about $700. LT headers are $900-1,500.
Does that mean $700 for 20+rwhp or about $1,200 for another 10+hp?
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Old May 1, 2004 | 06:09 PM
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Default Re: Random midpipe vs. LT header ROI? (blu00rdstr)

I've never heard of those kind of gains from a mid-pipe or by removing the cats on a stock car. You can easily get 20 rwhp from just a set of long tubes and a cat back. Mid-pipe's really don't do much except smooth out the tone of the exhaust. Go with a set of LT's (Kook's seem to be a popular brand right now) and an x-pipe and you'll get around 20-25 rwhp with about the same tq. and a beautiful sound.
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Old May 1, 2004 | 09:36 PM
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Default Re: Random midpipe vs. LT header ROI? (BigBlue)

I've heard there's often bigger gains from an offroad midpipe than headers.

Here's a chart from a stock F-body with just the random catback.




[Modified by blu00rdstr, 6:38 PM 5/1/2004]
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Old May 1, 2004 | 10:01 PM
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Default Re: Random midpipe vs. LT header ROI? (blu00rdstr)

Wait a Minute Blu00....

You got a blower, TR 224/227 cam, everything else..... but no headers because of smog?

/me gets in the car headed to Tracy.... Be there in 15 minutes at the Home Depot... I gotta smack some sense into ya! ;)


Nick said your car was _FAST_ and you don't have exhaust?
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Old May 2, 2004 | 01:51 AM
  #5  
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Default Re: Random midpipe vs. LT header ROI? (Tony_C5_04)

Wait a Minute Blu00....

You got a blower, TR 224/227 cam, everything else..... but no headers because of smog?

/me gets in the car headed to Tracy.... Be there in 15 minutes at the Home Depot... I gotta smack some sense into ya! ;)

Nick said your car was _FAST_ and you don't have exhaust?
:) Stock manifolds and cats, but Z06 mufflers. It passed smog on a referee station dyno, it may have helped to have the C.A.R.B. printout with the car.

Nick was quite impressed, but it always feels different from the passenger seat, especially when I didn't have traction. :reddevil I put the 75# injectors in after the smog test, and Nick 'rough tuned' it. Waiting for him to dynotune it late next week, it's still running pig rich.

:cheers:
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Old May 2, 2004 | 09:52 AM
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Default Re: Random midpipe vs. LT header ROI? (blu00rdstr)

Very nice. Maybe I'll head down there and meet you. I'd love to check it out.

:cool:
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