Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com
 
DJ Grilles
Go Back   Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com > Engine | Drivetrain | Powertrain Technical Discussions > Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons

Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

Reply
 
Thread Tools
Old 01-14-2014, 09:18 PM   #1
tekteq
HT5 in the 626
 
tekteq's Avatar
 
Drives: 2014 Camaro 2SS/RS
Join Date: Nov 2013
Location: 626, California
Posts: 288
L99 Stock H Pipe vs Aftermarket H pipe

After some forum browsing I've decided to go with the H pipe over the X pipe for sound and low end torque purposes. I have one last question before I head to the muffler shop, is there a sound or performance difference between the stock L99 giant resonators and an aftermarket H pipe? Thanks!
__________________

2014 L99 Camaro 2SS/RS ~ SLP Loudmouth Axleback ~ Cold Air Inductions CAI ~ VMAX Ported TB ~ ARH Catted LTs ~ Tuned by Ted @ JRE

A wise man once said, he who eats crackers in bed get crummy sleep.
tekteq is offline   Reply With Quote
Old 01-14-2014, 09:40 PM   #2
shiznight
 
Drives: 2010 camaro ss l99
Join Date: Apr 2013
Location: oklahoma city
Posts: 187
You'll start to hear more exhaust tone. When i had my stock resonator taken off i saw where it was choking the exhaust flow. The car was a bit raspier, but Im still on stock mufflers. The exhaust tone didnt really change until i deleted the cats and went with long tubes. I have videos of my car at wot. But this forums isn't a fan of street contests so i cant post them



Edit: you wont hear a giant difference on h vs x. It will be a qualitative difference that you alone will notice
but unless you pay to do both and listen to which you like better, there isn't a solid answer
__________________
vvt1 cam, pacesetter headers, xpipe, knn intake 417/422. 100 shot 513/574. v6 brake swap, v6 wheels (trolling dumbdumbs), gto wheels nt05rs, gto spares as skinnies up front. 12.02@120.6 (2.08 60ft) o2 working it's way out of the bung half track.
shiznight is offline   Reply With Quote
Old 01-14-2014, 09:46 PM   #3
tekteq
HT5 in the 626
 
tekteq's Avatar
 
Drives: 2014 Camaro 2SS/RS
Join Date: Nov 2013
Location: 626, California
Posts: 288
Quote:
Originally Posted by shiznight View Post
You'll start to hear more exhaust tone. When i had my stock resonator taken off i saw where it was choking the exhaust flow. The car was a bit raspier, but Im still on stock mufflers. The exhaust tone didnt really change until i deleted the cats and went with long tubes. I have videos of my car at wot. But this forums isn't a fan of street contests so i cant post them



Edit: you wont hear a giant difference on h vs x. It will be a qualitative difference that you alone will notice
but unless you pay to do both and listen to which you like better, there isn't a solid answer
My current setup is relatively loud but the more the merrier I've heard that x pipes give more high end tq/hp but lose low end tq/hp plus they sound more modern. I prefer the oldschool muscle tone so I want to go with the H pipes. My only concern is I don't want to lose power!
__________________

2014 L99 Camaro 2SS/RS ~ SLP Loudmouth Axleback ~ Cold Air Inductions CAI ~ VMAX Ported TB ~ ARH Catted LTs ~ Tuned by Ted @ JRE

A wise man once said, he who eats crackers in bed get crummy sleep.
tekteq is offline   Reply With Quote
Old 01-15-2014, 08:44 PM   #4
axis
Search Ninja
 
axis's Avatar
 
Drives: 2010 Black 2SS/RS A6
Join Date: Oct 2009
Location: Central Ark
Posts: 6,568
There's not going to be much if any difference in HP/Tq between the two. You just need to have a crossover of some sort in there. The L99 resonator is not only your H pipe but it's also a resonator that quiets the tone a little. A regular X or H pipe, without a resonator, will make the exhaust a little louder, but not much. From what they say, the H pipe gives a little more "old school" sound while the X is a little more exotic. Neither is overwhelmingly different.
__________________
2010 Black 2SS/RS A6
Halltech Yellowjacket fed
GPI modded intake manifold
Kooks LT's/ Dynomax VT
Pfadted (springs/sways)
Dyno tuned by Rhino and GPI

I once parallel parked a train.
axis is online now   Reply With Quote
Old 01-16-2014, 01:05 AM   #5
ARES5
ARES5
 
ARES5's Avatar
 
Drives: 2012 1SS Victory Red
Join Date: May 2013
Location: SanAntonio, Tx
Posts: 44
Your going to hear that AFM kick in and out ALOT more. Thats why the L99 has that huge resonator. To cover the noise of AFM working. The LS3 has tiny resonators since they dont have AFM. Instead they have the Skip Shift to save gas. You'll definatly want a tune after your tired of hearing 4 cyl mode.
ARES5 is offline   Reply With Quote
Old 01-16-2014, 01:32 AM   #6
tekteq
HT5 in the 626
 
tekteq's Avatar
 
Drives: 2014 Camaro 2SS/RS
Join Date: Nov 2013
Location: 626, California
Posts: 288
Quote:
Originally Posted by ARES5 View Post
Your going to hear that AFM kick in and out ALOT more. Thats why the L99 has that huge resonator. To cover the noise of AFM working. The LS3 has tiny resonators since they dont have AFM. Instead they have the Skip Shift to save gas. You'll definatly want a tune after your tired of hearing 4 cyl mode.
I got the Range AFM delete, AFM is no problem for me. Does the L99 also have skipshift?
__________________

2014 L99 Camaro 2SS/RS ~ SLP Loudmouth Axleback ~ Cold Air Inductions CAI ~ VMAX Ported TB ~ ARH Catted LTs ~ Tuned by Ted @ JRE

A wise man once said, he who eats crackers in bed get crummy sleep.
tekteq is offline   Reply With Quote
Old 01-16-2014, 02:32 AM   #7
axis
Search Ninja
 
axis's Avatar
 
Drives: 2010 Black 2SS/RS A6
Join Date: Oct 2009
Location: Central Ark
Posts: 6,568
Quote:
Originally Posted by tekteq View Post
Does the L99 also have skipshift?
Yes it does. Put it in "M" and upshift to 2nd before you start.
__________________
2010 Black 2SS/RS A6
Halltech Yellowjacket fed
GPI modded intake manifold
Kooks LT's/ Dynomax VT
Pfadted (springs/sways)
Dyno tuned by Rhino and GPI

I once parallel parked a train.
axis is online now   Reply With Quote
 
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 09:35 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.