Peformance Chip
from what i understand the power you gain in the high RPM's is lost by the low RPM's with the SRT intake. I read a super long thread explaining this somewhere on CL.
the thing about GS300 is theres only 2 intake brands (besides from the cheap ebay ones)
only the Weapon R and SRT work for the gs300
the thing about GS300 is theres only 2 intake brands (besides from the cheap ebay ones)
only the Weapon R and SRT work for the gs300
Driver
Joined: Dec 2010
Posts: 107
Likes: 0
From: Georgia
Not sure what's going on with your mileage. I average 21mpg with 50/50 city/highway agressive driving. I have a K&N filter installed and aftermarket exhaust. My GS300 can still light up the rears at 14yrs old. Try running a few bottles of Chevron Techron (not the cheap bottle - the more expensive one) through it and then change your plugs. I also cleaned the intake by removing the vacuum line from the driver side cylinder bank and spraying about a whole bottle of intake cleaner in there. 2 weeks ago on vacation with the family I averaged 24 mpg highway at about 80mph (4 people & full trunk). I love my GS300 the more I mod it and i'll soon have more power than the GS4 (insert evil laugh here).
Last edited by 98sleeper; Jul 16, 2012 at 03:14 PM. Reason: corrections
Driver School Candidate
Joined: Jul 2011
Posts: 13
Likes: 0
From: CA
24 mph!?
Not sure what's going on with your mileage. I average 21mpg with 50/50 city/highway agressive driving. I have a K&N filter installed and aftermarket exhaust. My GS300 can still light up the rears at 14yrs old. Try running a few bottles of Chevron Techron (not the cheap bottle - the more expensive one) through it and then change your plugs. I also cleaned the intake by removing the vacuum line from the driver side cylinder bank and spraying about a whole bottle of intake cleaner in there. 2 weeks ago on vacation with the family I averaged 24 mpg highway at about 80mph (4 people & full trunk). I love my GS300 the more I mod it and i'll soon have more power than the GS4 (insert evil laugh here).
24 MPH??? I would give anything to get that!!! i recently just took my car in for an oil change, to the Carlsbad Lexus Dealership, and lent me the brand new CT200H and i was averaging 38 MPH.....now im back to 20 mph tops....hahaha Love the GS But can you please get more than 20 MPH....
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