NAMZ 08-10 V-Twin XB9 & XB12 Buell Models w/Stock ECM Nightrider O2 Enrichment Device

Intended to assist with proper fuel mixture when adding performance intake or exahsut upgrades

• Intended to assist with proper fuel mixture when adding performance intake or exahsut upgrades
• Recommended for use with high-flow intakes or exhausts
• Made in the U.S.A.