Buyer's GuideApril 18, 2026

Challenger Widebody Conversion: What's Involved and What It Costs

Converting a narrowbody Challenger to widebody appearance is possible but complex. Here's a realistic breakdown.

Challenger Widebody Conversion: What's Involved and What It Costs

What the Widebody Package Includes From the Factory

Factory widebody (Scat Pack Widebody, Hellcat Widebody) includes:

  • Extended front and rear fender flares (adds ~3.5 inches per side)
  • Wider wheels (20x11 rear vs 20x9.5 on narrowbody)
  • 305/35R20 tires front and rear
  • Wider front bumper with different foglights
  • Unique rear valance
  • Different subframe and suspension geometry for wider track

Is a Narrowbody-to-Widebody Conversion Practical?

For a cosmetic widebody look: Yes, bolt-on fender flares are available from several manufacturers (Street Hunter, Duraflex, Anderson Composites) that replicate the widebody appearance without replacing the underlying metal.

For a functional widebody (running 305+ tires on wide wheels): Requires significant work:

  • New fender flares + wider bumpers
  • Wider wheel and tire package
  • Potentially updated suspension geometry for proper alignment with wider track
  • Brake line and suspension modifications to accommodate wider stance

Cosmetic Flare Kits

Anderson Composites, Duraflex, RKSport all offer widebody fender flare kits for narrowbody Challengers.

Cost: $1,500–4,000 for a quality fiberglass or carbon fiber flare set.

Note: These are bolt-on panels requiring body preparation and paint matching. Professional installation and paint: add $2,000–4,000.

Running Wider Tires With Flares

Flares without wider tires look odd. Running 305+ rear tires on a narrowbody often requires:

  • Wheel spacers (15–25mm) to fill the wider fender
  • or wider aftermarket wheels with appropriate offset
  • Potential quarter panel liner trimming

Total Cost Estimate

Component Cost
Widebody flare kit $2,000–4,000
Paint and installation $2,000–4,000
Wider wheels (set of 4) $1,500–3,000
Wide tires $800–1,500
Alignment $150–200
Total $6,450–12,700

At this price point, buying a factory widebody model on the used market often makes more financial sense.