Originally Posted by superdrift
Full exhaust,cold air intake, manual trans, tune, and fuel cleaner
^^^This, right after you do basic maintenance. It's amazing how much good coil packs, proper tire pressure, fresh fluids and some sea foam will do to both performance (regain "lost") and mileage.
Originally Posted by fomoco4life
Do nothing, and ur still getting better mileage than most of us lol...it's a sixxer bro, ur good..tune for more power
Sent from my HTC One using Mustang Evolution mobile app
The tune is probably the biggest bang for your buck mod for both power and mileage.
12 Black GT500 SVT PP l 2.6 Pulley/Idler l Airaid l o/r X l 305 NT555R's l Recaros l
04 Azure Blue Mach 1 / 03 Sonic Blue 3.8 / 14 Sterling Grey F150 FX4 402A 5.0 / 11 GT500 R.I.P.