Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
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Features, Description, Reviews, Q&A, Specs & Installation
Delivers an Aggressively Loud Exhaust Note. Match the aggressive, masculine build of your Challenger with an aggressive exhaust note courtesy of the 3-Inch GMS Exhaust Cutout Adjustable Turn Down. This turn down features a 1-touch switch that opens the stainless steel plates to deliver a deep growling exhaust note. Alternatively, keep the butterfly plates closed for a subtle drive and open them when you are in the mood to command attention.
Durable Construction. The 3-Inch GMS Exhaust Cutout Adjustable Turn Down is made from aircraft-grade aluminum to deliver extreme durability and strength. This aluminum build is CNC machined and complemented by the stainless steel butterfly plates. It is then finished with a fine polish and reinforced to deter scratching and corrosion.
Improved Horsepower and Performance. Upon opening the stainless steel butterfly plates, you are bound to experience higher horsepower and improved performance. The aggressive exhaust note then compliments the performance.
Installation. The 3-inch GMS Exhaust Cutout Adjustable Turn Down allows for an easy and direct installation that doesn’t require any modifications. With the light mechanical skills and basic tools, anyone can complete the installation in 3 hours.
Warranty. Granatelli Motor Sports assures the 3-Inch GMS Exhaust Cutout Adjustable Turn Down is free from any material or workmanship flaws, and provide a 90-day warranty on the same.
Application. The 3-Inch GMS Exhaust Cutout Adjustable Turn Down is designed and engineered to be compatible with all Challenger models.
Granatelli Motor Sports 307530-1
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
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