Echelon Sovereign

2019 Dodge Challenger SRT Hellcat

R148

Media library

8 photos

Original Build Studies

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Original Build Studies ↗

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Original Build Studies ↗

Ladies of WBS Gallery

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Ladies of WBS ↗

Wave Photography

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Wave Photography ↗

Story

Echelon Sovereign treats the 2019 Hellcat like a museum piece that still starts on the first hit—an OEM+ widebody executed with coachbuilt discipline. The +220mm architecture is drawn as one continuous gesture, brushed aluminum panels flowing into the Challenger’s fastback proportions with laser-etched pinstriping that reads like a modern take on 1960s handwork, not a costume.

Under the surface, the details stay honest: chrome-edged rear-arch louvers actually move heat, the lowered sills manage wake around the tires, and the hood’s restrained extraction keeps the supercharged HEMI comfortable in parade pace and occasional backroad pulls. It’s a tribute car built for close inspection—clean enough for a design archive, engineered enough to feel plausible on the street.

Blueprint

The Whitepaper Room

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Collectible Poster

Collector's Edition

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Technical dossier

Fictional engineering concept

Platform

2019 Dodge Challenger SRT Hellcat

Powertrain concept

Retained OEM 6.2L supercharged HEMI with mild ECU refinement for smoother response
Hand-brushed chrome-plated supercharger cover for period-inspired engine-bay presentation
Discreet side-exit exhaust routed through widened rear bumper with polished tips

Aero package

Semi-recessed NACA ducts in hood (12° forward angle) for intercooler airflow
Subtle hood louvers (200mm x 40mm) for heat extraction without visual noise
Low-profile polished aluminum rear spoiler with hidden mounts (80mm extension)
Trailing-edge vertical stabilizer fins integrated into hatch (+45mm tall)

Chassis & stance

2019 Dodge Challenger SRT Hellcat

Wheels & tires

Front: 20x9 forged American Racing mesh, polished bronze
Rear: 20x11 forged American Racing mesh, polished bronze
Tires: Goodyear Eagle F1 Asymmetric with vintage white-lettering
Sizes: 275/35ZR20 front, 305/30ZR20 rear

Fabrication notes

Metal-finished brushed aluminum widebody panels shaped to maintain factory shut lines and reflections
Laser-etched pinstriping aligned across panel breaks to read continuous under show lighting
Rear hatch extension built in carbon to control weight while extending roofline cleanly
Louver ducting backed with functional air paths for brake and bay heat management