milage improvements for 12 valve
02-22-2007, 11:33 PM
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milage improvements for 12 valve
i just put in an afe air filter and noticed a 3 mpg increase in milage,and a noticable performance boost.i also put on a 4 in exaust but have not had a chance to test the milage.iwonder if any one has any info on this.i do like the performace increase.
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