CBR300 / CB300 / CBR250 Swap Exhaust Header for Honda Grom & Monkey | WickedGrom

2" Stainless Steel Exhaust Header — CBR/CB300/CBR250 Engine Swap

Engineered specifically for Honda Groms and Honda Monkeys running a CBR300, CB300, or CBR250 engine swap, this 2" stainless steel exhaust header delivers a clean, high-performance fit with a straight-through design for maximum flow.

Key Features

• High or Low Mount — choose the configuration that fits your build
• Higher tuck than Chimera — cleaner lines, better ground clearance
• O2 Bung welded in — compatible with Aracer AF1 and AF2 setups; cap included
• Universal 51mm muffler fitment — works with most aftermarket slip-ons
• Made-to-order stainless steel construction — built for durability and corrosion resistance

Fitment

Fits 2014–2024 Honda Grom & Honda Monkey with CBR300, CB300, or CBR250 engine swaps.

Lead Time & Shipping

Made per order. Lead time is 1–2 weeks; most orders ship within 3–5 business days.

Variants

• Low Mount Exhaust Header — 2 lbs
• Low Mount Exhaust w/ CF Muffler — 2 lbs
• High Mount Exhaust Header — 5 lbs
• High Mount Exhaust w/ CF Muffler — 2 lbs
• Muffler Only — 2 lbs

HTS Code: 7304.11 — Stainless steel seamless tubes/pipes (for customs/import reference)