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Rear Bumper Diffuser For 2015-2024 Dodge Challenger SRT Hellcat Redeye Scat Pack 392 R/T GT SXT

Rear Bumper Diffuser For 2015-2024 Dodge Challenger SRT Hellcat Redeye Scat Pack 392 R/T GT SXT

$198
$98

The Challenger's wide rear end carries a lot of visual weight, and the factory bumper's lower section can look comparatively bare given how much presence the rest of the car has. This rear diffuser addresses that by adding structured, race-inspired detail beneath the bumper, while its shape is also engineered to guide air out from under the car more cleanly, giving the upgrade a functional aerodynamic purpose alongside its visual impact.

Product Features

Built for the full 2015-2023 Challenger lineup, the diffuser covers everything from the 3.6L V6 SXT and GT, through the 5.7L V8 R/T, the 6.4L V8 R/T Scat Pack in both widebody and non-widebody form, and the supercharged 6.2L SRT Hellcat, which requires a dedicated fitment to clear its intercooler layout. Because some designs may need light drilling or trimming around the fender arch to sit flush on widebody cars, checking whether a listing specifies "Excluding Widebody" or "Widebody Compatible" is worth confirming before ordering.

The design centers on a shark-fin or rock-style diffuser layout, split into a central diffuser section flanked by vertical winglets, a configuration that has become the dominant style among Challenger owners for its aggressive, race-car-derived look. Functionally, the vanes direct under-car air out through the rear more smoothly, cutting down on turbulence and helping reduce lift at speed for better high-speed grip and stability.

Material choice depends on positioning and intended finish. PP offers strong flexibility and heat resistance, making it well suited to sections near the exhaust where thermal cycling is a concern, while a carbon fiber option is available for owners chasing the lightest weight and the most distinctive, high-end surface finish for a serious performance build.

Installation relies on the car's factory clip channels combined with screws for a secure double-locking fit, with a professional install typically taking 30 to 60 minutes; widebody cars may need minor adjustment around the fender arch, best left to an experienced technician. Once installed, the diffuser's aggressive vane structure pairs naturally with a front lip and side skirts to complete a full track-inspired body kit from front to back.

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Changzhou Chaoshenghang Auto Parts Co., Ltd.

 Changzhou Chaoshenghang Auto Parts Co., Ltd. is a trusted professional manufacturer specializing in automotive parts. We focus on the R&D and production of automotive plastic parts, interior and exterior modification accessories, custom molds, hardware components, automotive lighting and various auto spare parts. Our 10,000-square-meter factory is equipped with specialized mold production lines, more than 10 engraving machines and 6 CNC lathes. Backed by a team of over 30 employees including 3 senior R&D engineers, we deliver high-precision processing, efficient production and sustainable product innovation.

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