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Anything that let's more air into your engine whether it be a better intake, or a vacuum leak will increase your fuel trims if it's not tuned for it. It's just the computer doing its job.
FWIW, I bought a used RX can in the classified section a while back. When I was installing it I broke one of the fittings. I called Tracy and asked to buy a new fitting for my can that I bought second hand from a forum member. He sent me the fitting for FREE, in 3 days. Not sure what he did to piss everyone off, but that was above and beyond in my opinion.
Sent from my HTC One X using Tapatalk 4 Beta
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American Racing 1 7/8" Headers and Hi-Flow Cats, CAI cold air intake, Flowmaster AT exhaust, Vengeance Racing Stage 2 cam, VMax ported throttle body, TEA valve springs and titanium retainers, Trick Flow hardened pushrods, 180* T-stat, Comp Trunion kit, ZL1 Fuel Pump, ADM Fuel Pump Control Module, 20% window tint, Whipple Supercharger. Tuned by Mike Norris Motorsports. 656rwhp/584rwtq @10 PSI.
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