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  #1  
Old 07-29-2011, 06:30 PM
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Performance mods?

I have a 99 grand Cherokee limited with the 4.7. I have the k&n fipk kit, flowmaster super 44 muffler, cut the cat off, and that's it. I just want more power without having to take the motor out. I had a superchips flashpaq on it but I took it back because it barley did anything. Please leave tips and suggestions! Thanks guys!
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Old 08-10-2011, 07:30 PM
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Re: Performance mods?

you want it to go faster or what??? really unless ur wanting to spend alot doing other mods to motor u could try a bullydog programmer and see what u can get out of it they are available on ebay for around 300 its computer u can hook up and does tons of stuff and helps u monitor the engine very well i was gonna look into getting one but not sure yet
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Old 08-10-2011, 07:33 PM
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Re: Performance mods?

how about boring out your throttle body? its cheap and highly affective
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Old 08-14-2011, 10:43 PM
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Re: Performance mods?

Quote:
Originally Posted by DGoral31 View Post
how about boring out your throttle body? its cheap and highly affective
x2

Flyin'Ryan did mine and I immediately noticed a difference on takeoff. Puts some more life in the 3.7 at least.
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