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Aerodynamic and Durable. Made for the Dodge Challenger models, this Stealth Diffuser has an aerodynamic design and comes with 4 main diffuser fins. For use with ZL1 diffusers, this part is crafted from 3/8-inch HDPE and 1/4-inch ABS plastic for a durable and strong part.Installation. Putting this Stealth Diffuser on your ride is easy and requires no drilling.Application. This Stealth Diffuser fits 2015 - 2023 Dodge Challenger models. Excludes Widebody models.This product is the 4 main diffuser fins or rear oversized extensions or both depending on the option picked below ONLY. These products can only be used with a previously purchased ZL1 Addons standard Challenger diffuser. Does not include main metal panel or mounting panel.*Note: While the main diffuser will work on Widebody vehicles, the rear extensions are only designed for the standard body at this time. Install Guide: Unbolt your diffuser from your vehicle and unscrew the 4 fins. Place the fins on the outside or inside placements. Hold fins straight and re-align with the existing holes to remount. With the fin aligned, use a 1/8" drill bit to tap the fins first to avoid splitting the HDPE (Do not drill all the way through the fins) and use your previous screws to hard mount the fin to the diffuser panel. Repeat step for each fin and reinstall your diffuser on your vehicle. 
Save on Stealth Diffuser Fins with Rear Extensions (15-23 Challenger, Excluding Widebody) with a American Muscle discount code
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