Gordonrx

Hi all, I want to go just a little faster and improved gas mileage sounds good also. Anyone jave any experience with performance chips here?.

lexus114

Best advice (besides premium fuel and synthetic oil) is RX 350.

hypervish

Or pull all the seats out, maybe even the driver's seat.

Less weight = more powahh!

lexus114

There ya go! ^^^ 200cid v-6 with 230 hp is no slouch. However the RX is not a light vehicle.

Briand_OH

An obvious BTDT:

Are you putting an increased octane (>87 USA) in? In summer I notice a mileage/perf difference on 04 RX330 with 89. Some stations only get a $0.10 premium over 87 and its an economical win/win (ie mpg cost goes down IME). Especially useful in hot conditions with A/C use.

kickin8

iTrader: (1)

Performance chip? From ebay? Dont waste your money....

Lexmex

Won't do a thing unless you have the rest of the vehicle tricked out (intake, exhaust, etc.) Of those, a direct flow muffler is the best bang for the buck and with California emissions where you are at, it is a viable option.

Otherwise everyone would be putting a chip or engine management in their vehicle. There's only so much you can squeeze out of a stock vehicle.

lexus114

Yup, especially when the ecm is trying to compensate for every move you make.