Build Your
Dream Machine
Browse performance parts, check compatibility across every HEMI variant, and visualize where each mod goes on your Challenger — all in one place.
95
Parts
66
Brands
6
Categories
+200
Max HP Gain
Select your trim to filter compatible parts
Part Categories
Everything you need to build a monster
Engine & Power
28 parts
Cold air intakes, superchargers, throttle bodies, and tuners
Exhaust
11 parts
Headers, cat-backs, axle-backs, and mid-pipes
Drivetrain
12 parts
Clutch kits, driveshafts, differentials, and shifters
Suspension & Handling
13 parts
Lowering springs, coilovers, sway bars, and strut braces
Brakes
17 parts
Big brake kits, rotors, pads, and brake lines
Wheels & Tires
14 parts
Forged wheels, flow-formed wheels, performance tires, and drag radials
Most Power
Biggest HP gains available
Whipple
Whipple Gen 5 3.0L Supercharger Kit
ProCharger
ProCharger P-1SC-1 High Output Supercharger Kit
Comp Cams
Stage 1 Performance Camshaft
Comp Cams
Stage 2 Performance Camshaft
Best Value
Most horsepower per dollar
Why CarModPlanner?
Power Gains
Every part shows estimated HP and torque gains. See your total build power at a glance.
Compatibility Check
Automatically validates fitment for your specific trim — SXT, R/T, Scat Pack, or Hellcat.
Price Comparison
Compare prices across FastHemis, AmericanMuscle, and more retailers to get the best deal.