RVRRNR

I drive a 2009 GMC1500 sle crew cab I’ve had it on my truck for about 6 months I haven’t tried towing yet because my boats sits in stoorahe on lake havasu year round I’ve noticed a lot of difference in performance and fuel mileage it didn’t affect mikes at all, I also have a hypertech speedometer programmer installed in the truck along with the red range afm didabler no more hesition on a cell no more hunting for a gear the shifts are firm no complaint her my truck also has 5.3 with 342 and 6spd trans it woke it right up