what would you guys suggest for a exhaust for my 06 gxp!! HELP!!!
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08-20-2012
what would you guys suggest for a exhaust for my 06 gxp!! HELP!!!
08-20-2012
Stock or Magnaflow
08-20-2012
thank you... hear anything good with megan racing or borla?
08-20-2012
borla!
08-20-2012
Watch youtube or hit up the LS4 section on LS1tech.com.
And if you do anything, just replace the mufflers, you gain zero horsepower by adding a full catback system.
08-20-2012
yeah i just want it to sound more ROOOOOOOOM ROOOOOOOOM!! ill look in to borla thanks everyone!!(:
08-20-2012
Borla, SLP, Magnaflow, Corsa, Flowmaster...basically anything sounds better because you have two extra cylinders.
Also, moving to the correct section.
08-20-2012
yeah its all personal preference. you just have to watch some vids to hear the different exhausts. i have the corsa on my GT i love it. i also hear great things about borla. i dont know much about the other brands, i stayed clear of them cuz for the v6 they dont sound good. but a v8 is totally different haha. one thing i would recommend is a res delete if you want your car to be loud. ive heard them before on the gxp's and i think it sounds great, especially if you are doing aftermarket mufflers. so do some research, hit up youtube and ls1tech.com and make your decision haha
08-22-2012
I bought MagnaFlow 16726 cat-back kit. Only my WIFE doesn't like the rumble. I get comments weekly about my GXP sound.
http://www.amazon.com/Magnaflow-1672.../dp/B000XQQ11S
09-07-2012
^^^That exhaust is $516.01 from Trucktune.com
OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
09-07-2012
do you know of anyone who has used that website or bought anything from them??Originally Posted by SDGTP99
09-07-2012
Catback kits are a waste, you only need mufflers to obtain the sound you want.
Changing the exhaust after the cat adds zero HP.
09-10-2012
http://www.magnaflow.com/02product/d...andprixgxp.jpg
It does help, just not as much as I was told. BUT>>>> I LOVE THE SOUND!!!!
09-10-2012
Gxp catback fails quickly.
Might as well go stainless.
09-11-2012
It is stainless steal...
Auto Part #
16726
Availability:
IN STOCK & FREE SHIPPING
Shipping Options:
Ships Ground, Two-Day, or Next-Day
- Material:
- Stainless steel
- Style:
- Single in/Four out
- Type:
- Cat-back
Product Fitment and Detailed Description
- Stainless Cat-Back System; PART NOTE: 5 x 8 x 14in. Muffler, 5 x 14in. Resonator; 2.5in. Tubing; 4.0in. Polished Stainless Tip; QUAD SPLIT REAR EXIT
- Stainless Steel System, Mandrel-Bent
09-11-2012
yeah i mean catbacks are worth it. pipes are usually bigger so you get nice backfire when you rev. the stainless steel is always a plus, they are lighter too, atleast mine is.
09-11-2012
Catback is only worth it so it doesn't rust out in the future.
All catback's really do on these cars is add noise, GXP's don't even gain 10WHP with HEADERS.
I've never heard a LS4 or 3800 "backfire", unless the tune was way rich or there was basically no exhaust on it either.
09-12-2012
my corsa has a backfire when i take my foot off the gas right before it shifts into 2nd WOT. its pretty cool.
09-11-2012
I posted this question in ls1tech and a guy linked these videos. 40 series w res delete. Says it does drone, though. I'm waiting for details on how loud the drone is and what rpm it starts at.
Noah loves the LS4 - YouTube
Grand Prix GXP LS4 Dyno Pull - YouTube
09-12-2012
That cat-back gives the car a very nice rummble. The back fire I think he is talking about is when you are in tap-shift and roll off the throttle and it makes a bubbling sound. lol.
I like it too, get alot of heads turning... I bought it to have a better sound and if it helped with MPG, then I was ahead of the program. =-)
The drone noise is pretty tough at 3,000rpm on about 1/2 throttle. Wife hates it, she thinks it is too loud. My car, don't care if she don't like it. she can ride in her Dale Jr SS if she don't like it. =-)
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