Big Gun full exhaust for XR50

• ICC (Internal Ceramic Coating) head, mid-pipe and tail pipe (value: 1/2hp, lower engine temp, longer engine life)
• ECC (External Silver Ceramic Coating) head, mid-pipe and tail pipe, resists flaking, bluing and rust (value: 1/2hp, lower engine temp, longer engine life)
• Standard Race Core produces maximum performance (should be used for closed course competition only)
• Works style CNC billet aluminum end cap with USFS approved screen type spark arrestor
• Lightweight head and mid-pipe constructed from the highest grade USA made 18 gauge mild steel
• Performance muffler packing
• New sealed inlet end cap for a leak less seal (first in the industry)
• Pop rivets are all stainless steel blind end so they can't leak or rust
• 6 month warranty
• Ships within 24 hours

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