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short tubes

This is a discussion on short tubes within the External Engine forums, part of the LSx Technical Help Section category; are short tube headers good for much hp gain?i was thinkin about gettin some for around 550 dollars just because ...

  1. #1
    Member JattGunMan's Avatar
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    black
    2000 ss

    short tubes

    are short tube headers good for much hp gain?i was thinkin about gettin some for around 550 dollars just because being in cali and the whole smog test issue..or i can get lt and swap em out before the test?

  2. #2
    Junior Member dougcw's Avatar
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    2002 Trans AM WS6

    You'll get about 10 RWHP but that's about it. JBA headers are smog legal and are made in California, so you might be able to get them cheaper. Really all they do is change your exhaust manifold (one common flow path for each side of the engine) into a header (each cylinder gets it's own short flow path). It just inproves your flow rates slightly.
    Mods: FAST 90mm, Nick Williams 90mm TB, TR 230/224 .581/.567 111 LSA, CC 921 springs, Hooker LTs, Hooker ORY, SLP Loudmouth, Eibach Pro Kit, Billstein HD, Baer Eradispeed, Whisper Lid, BMR SFCs, BMR Adj. LCAs, BMR reloc. brackets, HPTuners. 418HP/390ft-lbs rearwheel on a DynoJet.

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