Power Hungry Performance Forum - Do i need a retune?

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jlstang351

Mon, March 16th, 2009 12:54 PM

Do i need a retune?

My tune was wrote w/ a CAI and a SI-SO 40 series flowmaster. I just bought 2 hi flow cats, X pipe and 2 super 44 flowmasters. I believe I read somewhere when the cats are swapped out a tune is a good idea. Any insight? hoping to have everything installed this week!

Jackpine

Mon, March 16th, 2009 01:17 PM

This is just a guess, but I think you probably do. However, I think the changes are fairly minor and I doubt you need to wait on installing those mods. Bill, of course, will give you the REAL answer.

- Jack

Power Hungry

Wed, March 18th, 2009 03:41 PM

Given the extent of the exhaust mods, I do think we should readdress the fuel curves a little as you are probably running a touch lean. Any single mod would probably have been fine, but compound mods are pushing the limits.

Take care.

jlstang351

Fri, March 20th, 2009 10:08 AM

Pm sent Bill:2thumbs:

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