KRM Underframe Exhaust 80–90cc AM6 – Multifix Race System (without silencer)

The KRM 80–90cc Underframe Exhaust is designed for race and circuit use and offers outstanding performance on powerful AM6 80–90cc configurations. Crafted from 15 segments of 0.8 mm steel, this handmade expansion chamber ensures maximum power in high RPM ranges.

Built to work perfectly with setups like Top Performance 86cc, each weld and segment is precision-formed for optimal exhaust flow and durability.

With the Multifix mounting system, this exhaust easily fits a variety of frames. The system includes a 7075-grade aluminum collar, adjustable bracket, silentblock, and mounting plate – no clamp needed at the silencer.

Note: Delivered without silencer. Use with the KRM 70–90cc silencer for best results.

Package includes:

• KRM underframe exhaust
• Machined exhaust flange
• Stainless steel rotating exhaust springs
• KRM MULTIFIX mounting system
• Removable curved exhaust pipe
• Venturi
• KRM stickers

Maintenance: Supplied oiled (not painted). Always dry off when wet and apply engine oil regularly to prevent rust.