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Replaces 31489-79B-Fits 5 speed models from 80-88 - Zinc finish
ATS Diesel 204-910-2272 - Pulse Flow Exhaust Manifold Kit Fits 2003-2007 5
ARP 130-3102 - Chevy Hex Motor Mount Bolt Kit
Provides a strong induction note
Big Gun 13-14573 - 21-23 Honda CRF 450R EXO Aluminum Full System Exhaust margin_5 Replaces 31489-79B-Fits 5 speed modelsBig Gun 13 14573 21 23 Honda CRF 450R EXO Aluminum Full System Exhaust EXO Series came about from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful MX motors. The EXO Series is our ground up approach at just that. A unique hexagon shaped aluminum muffler and stainless steel coned inlet allow for significantly more volume, delivering a louder but tolerable deep sound while also