Big Gun EVO S Full Exhaust System – Honda Grom High Mount (2021+)

⚠️ NOT ARB/CARB COMPLIANT – Cannot be sold or used in the state of California.

Big Gun EVO S Full Exhaust System – Honda Grom High Mount (2021–Present)

Race-proven performance in a handcrafted, USA-made package. The Big Gun EVO S Full Exhaust System is a complete header-back replacement for the 2021+ Honda Grom JC92, delivering significant horsepower and torque gains with a high-mount muffler configuration that keeps your exhaust tucked tight and your clearance maximized. Built from premium materials and finished to last, the EVO S is the go-to full system for Grom riders who want real performance gains without compromising quality.

Features

• High-Temp Black Thermal Coated Oval Aluminum Muffler – Lightweight, heat-resistant finish that holds up under hard use
• 304 Stainless Steel Mid Pipe & Head Pipe – Corrosion-resistant construction for long-term durability
• Black Powder Coated Stainless Steel End Tip – Clean, aggressive look that complements the Grom’s styling
• TIG Welded Reinforced Muffler Bracket(s) – Solid, rattle-free mounting under all riding conditions
• Significantly Lighter Than Stock – Reduces unsprung weight for improved handling and acceleration feel
• Massive Horsepower & Torque Gains – Full system replacement unlocks the engine’s true potential
• High-Mount Configuration – Sleek muffler placement maximizes ground and cornering clearance
• Handmade in the USA – Crafted by Big Gun’s American team to race-proven standards
• 1-Year Limited Manufacturer’s Warranty

Compatibility

• Honda Grom 125 JC92 – 2021 to Present

California Emissions Notice

This exhaust system is not ARB/CARB compliant and cannot be sold or used in the state of California on any pollution-controlled motor vehicle.