Cam problems
I don't see why they couldn't tune it to run better anyway. Was it a big name, reputable or LS1 experienced shop? I'm sure somebody who knew what they were doing could make it drive better for you...
Looks in the parts section and find some used stuff.
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like everyone says just get some coated pacesetter or edelbrocks and an off road y pipe.
its what I got to upgrade over my mac's mids. there are levels of doing the exhaust. if you go to the extreme of a gmmg exhaust then you should prolly step up to a qtp or kooks or such header system as well

but then you are spending a hella lot more cash
( and if cash is tight.. pacesetter's are right
All I know is if they ever wanted my business again.. instead of tryign to force mne to blow more money they woulda helped me out with my current issue then make their suggestions.Sure, you got mod happy before doing your homework about it. Thats where this site comes into it and they can bash ya
) But if I am going to a business to toss money their way.. they had better not treat me that way
Anyways, good luck on your choices.
Get headers and a Y-pipe. Pacesetters if you don't want to spend a lot. If you want to keep the Borla I would put high flow cats in the Y-pipe (I hate rasp). Personally I would consider selling the Borla and getting something that sounds good without cats, or getting true duals.
You should invest in some headers for sure. But the tuner should have tuned it for what you had so your driveability was better.


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