GM Performance Exhaust upgrade? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Metal Camaro · 08-18-2009, 09:27 AM

Anyone know how much of sound difference it makes on the L99?

I noticed GM also has two of these on their site for two different prices.

Is it worth it?

Sorry im pretty sure this has been talked about but I cant find it.

Thanks guys and gals

shroomjohn · 08-18-2009, 09:56 AM

http://www.camaro5.com/forums/showthread.php?t=21289

jpsuperman81 · 08-18-2009, 10:00 AM

Really couldn't find anything, here is a quick search results for GMPP exhaust: http://www.camaro5.com/forums/search...archid=2428656

Metal Camaro · 08-18-2009, 10:00 AM

Quote:

Originally Posted by shroomjohn

http://www.camaro5.com/forums/showthread.php?t=21289

Ok nvm the link doesnt work

ravensjeff · 08-18-2009, 03:32 PM

I just talked to my dealer today and they wanted $1200 installed for the axle-back exhaust upgrade.

I just finished talking to a Borla exhaust installer/dealer- they will install the entire catback exhaust system for $1500. (Part # 140280).

Sold. Waiting for a appointment call back now.

Deeboe · 08-19-2009, 06:05 PM

Quote:

Originally Posted by Metal Camaro

Anyone know how much of sound difference it makes on the L99?

I noticed GM also has two of these on their site for two different prices.

Is it worth it?

Sorry im pretty sure this has been talked about but I cant find it.

Thanks guys and gals

one guy on the fourm stated "they sucked" Sounded no differnt than stock, with 1200 bucks u can buy a better aftermarket set-up. GM aftermarkets prices IMO are

SUPER OVERPRICED!

try SLP II's

camarohead · 08-20-2009, 09:05 PM

question- i have ordered an ls3 and also the gmpp exhaust. should i wait after break in peroid before i install the exhaust or just install the exhaust upon arrival. does it matter?

Frans96ss · 08-20-2009, 09:08 PM

Quote:

Originally Posted by ravensjeff

I just talked to my dealer today and they wanted $1200 installed for the axle-back exhaust upgrade.

I just finished talking to a Borla exhaust installer/dealer- they will install the entire catback exhaust system for $1500. (Part # 140280).

Sold. Waiting for a appointment call back now.

You might as well pay a tad more and just get a set of American Racing Headers installed and keep the stock catback. It sounds AWESOME IMO.

SS_in_Black · 08-20-2009, 09:31 PM

Quote:

Originally Posted by Deeboe

one guy on the fourm stated "they sucked" Sounded no differnt than stock, with 1200 bucks u can buy a better aftermarket set-up. GM aftermarkets prices IMO are

SUPER OVERPRICED!

try SLP II's

Well, anyone who is paying $1200 for the GMPP exhaust is getting taken to the cleaners. It's $800 at best installed... I know, I have it. As for the sound, I'd love to know who said it sounded like stock... they're smokin some good stuff. Go to the post http://www.camaro5.com/forums/showthread.php?t=30980
It's my car and I think you'll agree it's not stock. Heck, just the 4.5" double walled tips alone are worth a couple hundred bucks. As far as SLP goes... the axleback is nothing more than a piece of pipe (no baffles) with hangers... Sounds good at start-up but at cruise, well, if you like drone you'll love it... not really worth $450 IMO. I'm not selling GM stuff but you should know the real deal before you make a decision.

camarohead · 08-20-2009, 09:37 PM

thx ss in black for the information. i am getting that for sure. have not heard clips on the ls3 yet. you have the l99 right.

Mod4SS · 08-20-2009, 09:45 PM

Quote:

Originally Posted by SS_in_Black

Well, anyone who is paying $1200 for the GMPP exhaust is getting taken to the cleaners. It's $800 at best installed... I know, I have it. As for the sound, I'd love to know who said it sounded like stock... they're smokin some good stuff.

I just ordered GMPP "Off Road" version today for less than 8 bills.

impalajohn · 08-20-2009, 10:05 PM

Have the GMPP exhuast, paid $810 at dealer but $150 to install. I have a 2SSRS with the L99, had it installed at the place i had it dyno tuned for both $450. Sounds good but not to loud, had it done at 600 miles drivers side stock tin can or muffler was half full of water. Looks and sounds much better and now after two oil changes and a 2700 mile trip it runs like a raped ape.

jimfin · 08-21-2009, 02:09 AM

Quote:

Originally Posted by SS_in_Black

Well, anyone who is paying $1200 for the GMPP exhaust is getting taken to the cleaners. It's $800 at best installed... I know, I have it. As for the sound, I'd love to know who said it sounded like stock... they're smokin some good stuff. Go to the post http://www.camaro5.com/forums/showthread.php?t=30980
It's my car and I think you'll agree it's not stock. Heck, just the 4.5" double walled tips alone are worth a couple hundred bucks. As far as SLP goes... the axleback is nothing more than a piece of pipe (no baffles) with hangers... Sounds good at start-up but at cruise, well, if you like drone you'll love it... not really worth $450 IMO. I'm not selling GM stuff but you should know the real deal before you make a decision.

Did you pick up any extra HP when you installed this exhaust?

SS_in_Black · 08-21-2009, 06:28 AM

Quote:

Originally Posted by camarohead

thx ss in black for the information. i am getting that for sure. have not heard clips on the ls3 yet. you have the l99 right.

Yes L99

Quote:

Originally Posted by impalajohn

Have the GMPP exhuast, paid $810 at dealer but $150 to install. I have a 2SSRS with the L99, had it installed at the place i had it dyno tuned for both $450. Sounds good but not to loud, had it done at 600 miles drivers side stock tin can or muffler was half full of water. Looks and sounds much better and now after two oil changes and a 2700 mile trip it runs like a raped ape.

+1 Same thing here impalajohn.. except for the price. Mine was $810 installed.

Quote:

Originally Posted by jimfin

Did you pick up any extra HP when you installed this exhaust?

Imagine so. Any engine that breathes better is going to go up in power but I would say it's negligible. But I LOVE the sound.

08-18-2009, 09:27 AM	#1
Metal Camaro Drives: The beater Join Date: Apr 2009 Location: St. Louis, Missouri Posts: 125	GM Performance Exhaust upgrade? Anyone know how much of sound difference it makes on the L99? I noticed GM also has two of these on their site for two different prices. Is it worth it? Sorry im pretty sure this has been talked about but I cant find it. Thanks guys and gals __________________ 2SSRS It's coming

08-18-2009, 09:56 AM	#2
shroomjohn Drives: Golden Eagle Join Date: Jun 2008 Location: No Posts: 1,135 View My Garage	http://www.camaro5.com/forums/showthread.php?t=21289 __________________ Loving this car!

08-18-2009, 03:32 PM	#5
ravensjeff 100% Chevy & Harley Man Drives: 2010 2SS: Blown LSX 376-B15 Join Date: Feb 2009 Location: Eldersburg,MD Posts: 2,211 View My Garage	I just talked to my dealer today and they wanted $1200 installed for the axle-back exhaust upgrade. I just finished talking to a Borla exhaust installer/dealer- they will install the entire catback exhaust system for $1500. (Part # 140280). Sold. Waiting for a appointment call back now. __________________ LSX 376-B15, TVS2300 SC, Harland Sharp Rockers w/ Trunion Bearings, ATI Balancer/keyed, AR LT Headers/Borla Catback Exhaust, DSS 1400 HP Axles, DSS aluminum driveshaft, 3.70, Hotchkis Springs/Sway bars, Forgeline SO3P Aluminum Wheels (20x9.5 F/20x11 R)w/ Hidden Titanium Hardware, Nitto NT05 Tires (27540ZR20 F/31535ZR20 R), Billet LPE brake/gas pedals, Escort 9500ci Radar Detector Laser Jammer, Roto Fab CAI with Ice Silver box, Carbon fiber tube/MAF Housing Assy, LPE Aluminum coil covers, SS9 Sleeper Fiber Glass Hood (ACS), Carbotech 1521 ceramic brake pads, Elite catch can.

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08-18-2009, 10:00 AM	#3
jpsuperman81 Yep I'm back! Drives: 2017 Krypton Green 1SS 1LE Join Date: Mar 2009 Location: Indian Trail, NC Posts: 2,565 View My Garage	Really couldn't find anything, here is a quick search results for GMPP exhaust: http://www.camaro5.com/forums/search...archid=2428656

08-20-2009, 09:05 PM	#7
camarohead Drives: 2010 ss rs ls3 red-white rallys Join Date: Oct 2008 Location: Mississippi Posts: 729	question- i have ordered an ls3 and also the gmpp exhaust. should i wait after break in peroid before i install the exhaust or just install the exhaust upon arrival. does it matter?

08-20-2009, 09:37 PM	#10
camarohead Drives: 2010 ss rs ls3 red-white rallys Join Date: Oct 2008 Location: Mississippi Posts: 729	thx ss in black for the information. i am getting that for sure. have not heard clips on the ls3 yet. you have the l99 right.

08-20-2009, 10:05 PM	#12
impalajohn Drives: 1996 Impala SS Join Date: Nov 2008 Location: Aurora, Il. Posts: 5	Have the GMPP exhuast, paid $810 at dealer but $150 to install. I have a 2SSRS with the L99, had it installed at the place i had it dyno tuned for both $450. Sounds good but not to loud, had it done at 600 miles drivers side stock tin can or muffler was half full of water. Looks and sounds much better and now after two oil changes and a 2700 mile trip it runs like a raped ape.