Had a Flowmaster 70 installed today
Z71_Texan
08-23-2005, 02:11 PM
On my 2005 5.3l Z71 Crew Car Silverado. Also put in a K&N filter. I'll let you know if my gas mileage gets any better, currently getting 18 mpg overall. (according to the DIC)
Rollingbones
08-23-2005, 02:22 PM
LET'S GET READY TO RUUUUMBLE!! Good move. I think you'll be happy with both.
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