Big Gun EVO S Full Exhaust System – Honda Grom Low Mount (2021–2022)

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

Big Gun EVO S Full Exhaust System – Honda Grom Low Mount (2021–2022)

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 2021–2022 Honda Grom JC92, featuring a traditional low-mount muffler configuration for a classic, aggressive look. Delivering significant horsepower and torque gains over stock, the EVO S is built from premium materials and finished to last — the ideal full system for Grom riders who want real performance without compromise.

Features

• High-Temp Black Thermal Coated Oval Aluminum Muffler – Lightweight, heat-resistant finish built for 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 styling
• TIG Welded Reinforced Muffler Bracket(s) – Solid, rattle-free mounting
• Significantly Lighter Than Stock – Reduces weight for improved handling and acceleration
• Massive Horsepower & Torque Gains – Full system replacement unlocks the engine’s true potential
• Low-Mount Configuration – Classic muffler placement for a traditional sport bike aesthetic
• Handmade in the USA – Built to race-proven standards by Big Gun’s American team
• 1-Year Limited Manufacturer’s Warranty

Compatibility

• Honda Grom 125 JC92 – 2021–2022

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.