91-GS
Proven Member
- 1,390
- 65
- Jan 12, 2013
-
Paris,
Tennessee
Any improvement in MPG since you installed it?
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Unfortunately I'm unable to know for sure. I've made a few changes to my car since installed (SD, FIC 2150, stripped rear interior) so I don't have a base to compare to. I can say I am getting better mileage since I've done the diffuser, but it may be a combination of things. My main goal for this was the stiffen up the rear bumper so it doesn't flap around like it did before, and it did its job. The rear bumper is solid now even when exerting force directly where there used to be flimsy spots.Any improvement in MPG since you installed it?