SPEED SHOP PERFORMANCE KITS

CATALYST 600 BOYESEN REED VALVES

BOYESEN REEDS ARE WORKING REALLY WELL IN THE CAT 6000 MOTOR. RECENT...

USD $389.95
Catalyst 600 Stage 2

Get the most power out of your Catalyst with this complete kit! Our...

USD $1,879.95
Catalyst 600 Stage 2 Cheater

Get the most power out of your Catalyst with this complete kit that...

USD $1,699.95
CATALYST 600 STAGE 1

Get more power out of your Catalyst with this one simple mod! Our stage...

USD $1,049.95
Catalyst 600 Stage 1 Budget

Get more power out of your Catalyst with this one simple mod! Our stage...

USD $739.95
PRO-MAX 2 CATALYST FRONT BUMPER

New for your 2024+ Catalyst! the PROMAX Front bumper Is the ultimate...

USD $199.95