03-12-2012, 09:19 AM
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#13 (permalink)
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A True Z Fanatic
Join Date: Jun 2010
Location: SWMO
Posts: 4,454
Drives: 2019 CX5 GT Reserve
Rep Power: 7627
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Quote:
Originally Posted by daemon1957
You are right about the tune not being needed. It would give you a bit more if you did plus other maps for valet and low octane or anti-theft. If you had replaced your cats, it would be best to get the tune. You just have to weigh the cost to power gains.
Cheapest gains IMO are drop-ins w/ MAF tubes and lightweigh underdrive pulleys.
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UD pullies sometimes do not (always?) have the best damping system, and this can cause a voided power-train warranty, if nothing else.
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