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Old 04-08-2010, 02:06 PM   #107
KMPrenger


 
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Drives: 16 Camaro SS, 15 Colorado
Join Date: May 2009
Location: Jefferson City, Missouri
Posts: 13,948
None. lol.

Ok ok...well this could end up being a long answer. No simple or common changes will completely void your warranty. But say you add an full length aftermarket exhaust and then you get check engine lights that would have normally been a quick fix covered under warranty...well if the dealership can prove your mods caused the error,they can deny covering it and make you pay.

As far as cheap and effective performance mods? How much do you want to spend? You could spend 300 bucks on a quality cold air intake and get some gains, but nothing drastic. You could spend anywhere from 450 to a grand on an exhaust and again get minimal gains, but you'd have a more enjoyable (to your ears) sound and probably better MPGs to boot.

Sadly there just is no quick and easy bolt on right now thats gonna net you another 20 or 25 horses. Long tube headers seems to be most effective right now, but your talking 15 to 20 HP and TQ gains at best, then you'll likely need a tune to fight off AFR changes and CEL codes.
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