BETTER MILEAGE? - Truck Trend Forums at Truck Trend Magazine

BETTER MILEAGE?

  
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BETTER MILEAGE?

 
laurienw laurienw
New User | Posts: 1 | Joined: 07/08
Posted: 07/28/08
04:43 PM

IS THERE ANY EVIDENCE THAT A MODIFIED EXHAUST AND/OR AIR INTAKE SYSTEM ACTUALLY IMPROVES MILEAGE IN LIGHT DRIVING SITUATIONS (RE:2005 RUBICON UNLIMITED)?  

 
bkong bkong
Enthusiast | Posts: 541 | Joined: 07/08
Posted: 07/28/08
04:59 PM

The best evidence you can look for would be from other owners who have done the modifications themselves. Since an exhaust and intake are considered performance products, I doubt there are manufacturer sheets out there documenting gas mileage improvements. Maybe some company will claim an improvement, but not all cars are created equally either.