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Old Jun 27, 2010 | 07:58 AM
  #21  
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Originally Posted by jksvet
Just curious. Are you getting 435rwhp with your ls3 with just headers, CAI, and tune?

Thanks
GS -MN6-NPP
Dyno'd at 431 rwhp (after dialing it back a bit because of temp)

Mods- Smooth flow long tubes,high flow cats,x pipe, callaway honker cai and tune

Very happy with results

Last edited by XEUROTRASHOWNER; Jun 27, 2010 at 08:01 AM. Reason: spl
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Old Jun 27, 2010 | 08:43 AM
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Originally Posted by Wayne O
I'm all for performance modifications just be aware going to long tube headers can potentially void vast portions of your warranty (if any) and if you're subject to any state emissions testing or inspection you could have a problem. Any time you remove, relocate or alter the OEM cats its a violation.

You don't give your location. If you are in Florida, you are OK, in NC or VA or CA - not so much....
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Old Feb 10, 2011 | 07:10 PM
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Originally Posted by XEUROTRASHOWNER
GS -MN6-NPP
Dyno'd at 431 rwhp (after dialing it back a bit because of temp)

Mods- Smooth flow long tubes,high flow cats,x pipe, callaway honker cai and tune

Very happy with results
After reading this I'm skipping the cam swap on my 6spd GS and ordering long tubes & x-pipe! Thanx for the post
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Old Feb 10, 2011 | 07:44 PM
  #24  
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Originally Posted by urwtdrm
After reading this I'm skipping the cam swap on my 6spd GS and ordering long tubes & x-pipe! Thanx for the post
You'll be happy- make sure you get a CAI and tune too
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Old Feb 10, 2011 | 10:10 PM
  #25  
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10-20 hp from an exhaust...
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Old Feb 10, 2011 | 10:23 PM
  #26  
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Originally Posted by NJ Vette Guy
If you're not doing heads and a cam, don't waste your money on headers....

If you want a nice (better or louder) sound, then invest that header money, into a good after market exhaust.... Lot of good choices out there from Corsa to Billy Boat to Magnaflows to Borla Stingers... Take your pick.

Good luck....
Originally Posted by Tikiman12
your joking right?

headers and npp's will make a great deal of power gain, after a tune which is required.
Long tube headers, I have the LGM pros, CAI and tune is 40 HP or 380rwhp on a LS2.
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Old Feb 11, 2011 | 06:00 AM
  #27  
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Originally Posted by 08crm
10-20 hp from an exhaust...
More like 65
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