Red Regal T
Senior Member
- Joined
- May 24, 2001
For about a year and a half I was getting 17-18 mpg, tankful after tankful. For some reason a couple months ago it dropped to under 15. I was and . I had installed a stretch intercooler and went to 27 1/2" tall tires. That's when my mpg went down. Didn't make sense a taller tire would hurt my mpg. I figured on the opposite. For the 19 mpg I am now getting, I installed a 2 1/2" hooker catback system w/ Summit turbo muffs, TH downpipe, and put my shorter 26" tires back on. I'm but .