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Top Performance Guides
Platform-specific upgrade roadmaps from intake to full forced induction
Browse by Vehicle Fitment
Exact tire sizes, wheel specs & offset ranges for every make and model we cover
Ford Mustang
Ford Fitment Guides
Mustang GT, Shelby GT350, Shelby GT500, and more
Camaro · Corvette
Chevrolet Fitment Guides
Camaro SS, Camaro ZL1, Corvette, Corvette Z06, Chevelle
Challenger · Charger
Dodge Fitment Guides
Challenger, Challenger Hellcat, Charger, Charger Scat Pack
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Check Out Our Featured Builds
Hand-picked performance machines
2023 Ford Mustang GT
315/35R20 REAR | 800HP TWIN TURBO
Complete wide tire build with custom suspension, coilovers, and aftermarket performance upgrades. Built for both street and track.
2015 Dodge Challenger Hellcat
305/35R20 REAR | 850HP SUPERCHARGED
Hellcat with upgraded supercharger, drag radials, and suspension mods. Perfect for drag strip domination.
1970 Chevelle SS
315/35R18 REAR | 650HP LS3
Classic muscle car with modern LS3 swap, wide tire fitment, and pro-touring suspension setup.
2015–2023 Ford Mustang GT
The S550 generation redefined the Mustang with independent rear suspension, aggressive wide-body fitment options, and track-ready performance straight from the factory.
Mustang Coilover Setup
Dialing in the perfect ride height and corner balance with a quality coilover kit is the foundation of any serious wide-tire muscle car build.
Drag Racing Launch
A perfect drag racing launch starts with the right tire pressure, staging technique, and suspension tune — all working together to put maximum power to the ground.
2015–2023 Mustang GT Fitment Guide
Complete wide tire fitment guide for the S550 Mustang GT — covering wheel offsets, tire sizes, fender clearance, and the best setups for street and track use.
Big Brake Kit Install Guide
Step-by-step guide to installing a big brake kit on your muscle car — covering caliper brackets, rotor sizing, brake lines, and bedding-in procedures for maximum stopping power.
Drag Racing Launch Technique
Master the perfect drag racing launch — from tire pressure and burnout technique to reaction time and 60-foot times. Everything you need to cut a better ET.
Recommended Performance Parts
AFFILIATE DISCLOSURE
FTC RequiredFat Tire Garage participates in affiliate advertising programs. Some links on this page may be affiliate links — if you click a link and make a purchase, we may earn a small commission at no extra cost to you. We only recommend products we've researched and believe are genuinely useful for your build. Affiliate relationships never influence our fitment data, specifications, or editorial opinions.
Mickey Thompson ET Street R
$349.99
Forgeline GA3C Wheels
$4999.99
BC Racing BR Series Coilovers
$1299.99
Wilwood Superlite 6R Big Brake Kit
$2499.99
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