I ran on my stock battery for 7 years as well, and the guy was kinda mad at me that worked at autozone, and I got a energizer battery, and its worked well for me so far, I think i replaced the battery in the summertime/fall
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Exterior- stock painted black wheels, clear corners, stainless steel grill, cross and drilled front and rear rotors with evolution brake pads.
Coming soon- 18 inch black mustang bullet rims, GT/GTP rear bumper, tinted windows.