Engine › FACTORY 4.1 RCT SS ALUM SYS W/SS MB HEADER & CAP KAW Image 1 of 1 FACTORY 4.1 RCT SS ALUM SYS W/SS MB HEADER & CAP KAW $974.99 Sold Out All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to enhance and refine exhaust pressureFactory Forward Engineering centralizes mass and is less prone to crash damageTuned exhaust with optimized core specifications for each applicationInnovative rear endcap for simple installation of tuning tip inserts or spark arrestorTitanium Megabomb included to optimize each machines power output Sold Out Added! All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to enhance and refine exhaust pressureFactory Forward Engineering centralizes mass and is less prone to crash damageTuned exhaust with optimized core specifications for each applicationInnovative rear endcap for simple installation of tuning tip inserts or spark arrestorTitanium Megabomb included to optimize each machines power output