This new generation version of the Pro Moto Billet silent insert is less restrictive and performs better than its predecessor. Do your part in keeping noise levels to a minimum by adding one of Pro Moto Billets new style turn-down silent inserts to your spark arrestor end cap. Insert fits all new style color anodized 'cone' type Pro Moto Billet spark arrestor end caps and reduces the exhaust note by 2-4 decibels for a more acceptable sound intensity level. Requires a Pro Moto Billet spark arrestor to install. Decibel levels will vary depending on model, tuning, and exhaust system condition. NOTE: This Will NOT fit older style polished 'snorkel style end caps. If your end cap is bright polished aluminum, then you have the older style end cap.
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