Cai
Senior Member
Joined: 02-22-06
Posts: 1,730
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From: Colorado
Yup, damn LNF's! The computer in a way inceases power or decreases power to always produce 260hp no matter what mods you do. A tune is the only way around this. It's actually a huge help at altitude as an LNF wont be affected nearly as much.
But, on an LSJ this doesn't apply.
But, on an LSJ this doesn't apply.
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Joined: 07-09-09
Posts: 577
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From: Monroe, CT
Yup, damn LNF's! The computer in a way inceases power or decreases power to always produce 260hp no matter what mods you do. A tune is the only way around this. It's actually a huge help at altitude as an LNF wont be affected nearly as much.
But, on an LSJ this doesn't apply.
But, on an LSJ this doesn't apply.
i just ordered my exhaust after i installed my intake a few weeks ago.
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Joined: 09-07-09
Posts: 862
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From: Blue Earth MN
haha ok i have an 05 so i should be good to go
has anyone heard of dynatech axhaust???....what do you guys think for just swapping in a dynatech muffler with stock
has anyone heard of dynatech axhaust???....what do you guys think for just swapping in a dynatech muffler with stock
Last edited by blake05SS; Sep 28, 2009 at 11:18 AM. Reason: Automerged Doublepost
Senior Member
Joined: 05-30-06
Posts: 2,975
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From: Upstate NY
Go for it if you just want to make noise. Go for a catback. You can pick one up used on the forums cheap.
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Joined: 06-03-08
Posts: 4,383
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From: Edmonton
depends on the set up....because i was running a TVS, 60lb injectors, meth, h/e, intake...i was tuned at 11.9 AFR and 21* timing....it restricted alot...then i bought a header, 3" dp and 3" exhaust....my afr went ape **** and i had to get re-tuned...changed it back to 11.9 AFR and put it to 25* timing.
As for a prettty much stock car...if you get intake, header,dp and exhaust...you will get gains without a tune, but you will get better gains with a tune.
As for a prettty much stock car...if you get intake, header,dp and exhaust...you will get gains without a tune, but you will get better gains with a tune.
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