TWIN AIR Replacement Backfire Air Filter 154520N ONLY FOR POWERFLOW KIT Bearing Carrier Cover and aluminum mounting kit

Cover and aluminum mounting kit sold separately

The bike side kit attaches to the bike's ECU plug in permanently

Muffler body has proprietary technology to prevent bluing making this slip-on virtually blue proof

Use with optional FTEcu tuning systems alongside the Graves' slip-on map for 7-8 hp gains and DRAMATIC ride improvement across the power band

Vertical bike position is space saving

TWIN AIR Replacement Backfire Air Filter 154520N ONLY FOR POWERFLOW KIT Bearing Carrier Cover and aluminum mounting kit2 stroke kits include a Twin Air filter and a rigid, lightweight, billet aluminum cage that replaces the flimsy plastic stock cage and provides a tight seal to the airbox4 stroke kit replaces the air restricting stock backfire screen with a special backfire resistant layer of foam laminated to the inside Airbox kits include a complete airbox that increases the volume of the intake, wash plug, cage and all mounting hardware Includes a rigid,