Review on π K&N High Performance Engine Air Filter: Premium Washable Replacement Filter for 1990-1997 Chevy Corvette, Corvette ZR1, and Pontiac Firebird (33-2035) by Jeff Dabney
Improved sound and increased mileage
After installing this filter I saw a 3 mpg increase. I used to use a regular paper filter. Before the filter I was averaging 20-21mpg on that 40-mile stretch of flat freeway, after the filter I got 24mpg. Average speed 65 miles per hour. You won't notice a huge difference in performance, but once installed the throttle feel is clearer.
- Hands-free operation
- Very expensive
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