Kuryakyn 8295 Inner Primary Cover Extension If you're using a 2-into-1 or staggered performance exhaust with Kuryakyn's Inner Primary Cover, this extension covers the area where the crossover pipe had been. Sold individually. Add the Inner Primary Cover Front Extension (P/N 8370; sold separately) for complete coverage. Note: ONLY compatible with the Kuryakyn Inner Primary Cover (P/N 8294). Note: Kuryakyn part number: 8295.