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· Draggin knee's
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969 Posts
Only get a PCIII if you are getting a FUll System upgrade exhaust. Or anything to do with the exhaust for that matter; Cutting the cat./slip on/Headers ect. PCIII just controls air/fuel mixtures. If your not changing your exhaust, your ECU is best an should be left alone.

If you are getting a new exhaust ...it will help... but only if u know what ur doing. Get it PROFESSIONALLY Dyno'd for full potential.
 
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