i have one. about 3 mpg improvement. as a side note, TRD (toyota racing development) makes a cold air intake for the matrix, which if they install for you does not void the warranty on the car.
1 Answers · Cars & Transportation · 27/11/2008
If you call your local Toyota parts department they will have this information.....
2 Answers · Cars & Transportation · 03/12/2008
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