- “GenThree” Callaway Supercharger System
- 2.3-Liter Triple-Cooled Intercooler
- High Flow Callaway “Honker” Air Intake System
- Low-Restriction Callaway Stainless Exhaust System
- Front-of-Wheel Exit Stainless Exhaust Tips
The Rocky Ridge GMC Sierra SC480 is purpose-built for drivers who have a need for speed and big-time horsepower. With a tough, proven Callaway supercharger and other engine upgrades, this GMC Sierra packs 480 horsepower under the hood. The SC480 package is also sitting confidently on our 4-inch lift, so it has an imposing stance to match its muscle. In the Sierra SC480, you have a rugged go-anywhere truck with power that will make you smile every time you step on the gas.
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