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GTP Exhaust

This is a discussion on GTP Exhaust within the Domestics and Foreigns forums, part of the Vehicle Specific category; A friend of mine recently bought a 1999 GTP what exhaust would sound good with his car? He is ready ...

  1. #1
    Member Daniel P.'s Avatar
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    GTP Exhaust

    A friend of mine recently bought a 1999 GTP what exhaust would sound good with his car? He is ready to upgrade.

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    Senior Member INMY01TA's Avatar
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    Whats a GTP?

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    Impounded MikeSomething's Avatar
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    Quote Originally Posted by INMY01TA
    Whats a GTP?
    GTP = Fastest Pontiac GrandAm

    They have 3 models...Regular (Unleaded), GT (Premium), GTP (Super)

    I would check to see if "MagnaFlow" or "Borla" makes a system for a GTP.

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by MikeSomething
    I would check to see if "MagnaFlow" or "Borla" makes a system for a GTP.
    What he said.

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    Go with a borla cat back. My brother had a 98 GTP with a borla and it sounds amazing, it sounds like a lear jet when it passes you. He also dropped 3 tenths off his 1/4 mile with the borla cat back.

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    Member Daniel P.'s Avatar
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    I tryed talkin him into those but he found some sound clips and really like Ram Air Tech, anbody heard of it?, if so where can I find it?

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    GMPP and SLP both make awsome sounding exhaust. I love the SLP i have on my GSX. Also the GTP is a grand prix not a grand am. Check out some of the 3800 performance parts companies, they all sell them.

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    Insane WinSomeLoseNone's Avatar
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    I used to have a Grand Am GT, They are Pontiac W-Bodies this site had good stuff.
    http://www.pfyc.com/store/merchant.m...tegory_Code=GP Theres lots of sites with aftermarket parts for W-bodies. PFYC has both corsa and borla cat-backs for the Grand Prix.

    http://www.bmrfabrication.com/ has an entire section devoted to W-bodies.
    Last edited by WinSomeLoseNone; 04-26-2006 at 08:12 AM.
    2000 Z28 m6
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    Impounded MikeSomething's Avatar
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    Quote Originally Posted by Bandit02
    Also the GTP is a grand prix not a grand am.
    Actually a GTP is a GrandAm & Prix, and now they make a Pontiac G6 GTP...
    Last edited by MikeSomething; 04-30-2006 at 03:17 PM.

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    Quote Originally Posted by MikeSomething
    Actually a GTP is a GrandAm & Prix, and now they make a Pontiac G6 GTP...
    Dude there is no such thing as GTP Grand Am only Grand Prix!!!

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    there is no such thing as a grand am gtp only grand prix gtp - gtp's are the supercharged grand prix

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    Dk.Forest Green & Gold
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    Probably the only reason MikeSomething thinks their is a Grand Am GTP is that they replaced the Gand Am with the G-6 and added a GTP option on it. As for the body styles, the Grand Prix and the Grand Am have different body styles. The Grix is a "W" body and the Am is an "N" body platform.
    As for the original topic,"the exhaust." It all depends what type of sound you are looking for and guarantee. I have found it is best to stay with 309 stainless steel. If you like the deep throaty sound of the V-8, try the SLP Loudmouth exhaust w/the 3 1/2" slash tips or the trapezoidal tips. The dual/dual seems to give off a higher pitch sound, similar to a rice burner but a little lower in tone when splitting the exhaust at the tips. Try and not go any lower then a 2 1/2" pipe and look for a set with minimal bends in the "Y" pipe for better flow. I have seen some with almost 90 degree bends right before the mufflers.
    For the money and quality, I would and am going for the SLP 309 stainless steel Pro Flow or the Loud Mouth exhaust. I love the looks of the Corsa (OEM) style and the Borla systems but are a bit pricey for when you can get the same guarantee with the SLP stainless Steels. The "Y" bends are better on the Borla's, less restrictive. The Borla's will have a deeper sound if you go with the wider round slash tips (3 1/2" to 4",) if you are going for the high price ones.

  13. #13
    BAHHBYE Stone's Avatar
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    06 PBM GTO(458WHP)SOLD!!
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    My buddy has straight 2.5 in no cats or mufflers with a glasspac on it(he added this to make teh whine more noticable) But the borla kit sounds awesome but $$$$$$$

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    yes also grand ams are N-bodies along with the aleros. grand am se, gt1 and gt2. grand prixs are se, gt, gtp and grand prixs are w-bodies. just wanted to make sure and have that cleared up ...oops 98 gtp already said most of this

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    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
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    check out milzymotorsports.com sometime. he's real big on the grand am gt fourms. He specializes in 3X00 engines, not sure about exhaust.

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