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LS4 Performance
performance suggestions wanted

LS4 Performance Grand Prix GXP | Monte Carlo SS | Impala SS | LaCrosse Super

performance suggestions wanted

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Jan 5, 2013 | 03:14 AM

#1

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performance suggestions wanted

I live in California. This state has all kinds of laws restricting performance modifications on cars. Someone's always trying to save us from ourselves in California. Any suggestions for street legal mods for my 2008 Impala SS?

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Jan 5, 2013 | 12:23 PM

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-Magnaflow catback exhaust system
-K&N intake kit
-Trinity with a Lew tune. Download the factory tune back into your car when it's smog time.

Look in the sticky section for part numbers and contact info.

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Jan 5, 2013 | 12:31 PM

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If you do end up wanting to get an CAI. I have one from cold air inductions for sale.

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Jan 5, 2013 | 08:12 PM

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I had a k & n ,Magnaflow catback , DT headers ,& builds trans and I live in Cali.

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Jan 13, 2013 | 11:33 AM

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Engine and trans tuning makes the car a whole lot better IMO

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