I installed the Custom Cougars cold air intake extension on the cougar (99 svt) not to long ago and my gas mileage went to crap! 13-15mpg city, and 20mpg on the HWY! Then I threw a CEL... Took it off and its running good again, around 20-24mpg
1998 Contour SVT Dual-Honed UIM, 170k miles &
2000 Cougar MTX with:
99 SVT Engine, CA-KKM Intake, T.E.H. and polished UIM, High-Flow Cat, Quaife, Pro Flow 75mm, Superchip, TruBendz dual Borla, WR-SS Headers, Fidanza, Grizzly Street, Roush & KYB...
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