Cometic 91-92 Ski Doo Mach 1 Top End Gasket Kit 1977-gmc-c25-suburban-sierra-grande-esi2739743 Light sand base with brick-red

Light sand base with brick-red art on the front

Borla(r)'s patented SwitchFire(r) design truly blends the combustion pulses from both sides of the engine for improved performance and a custom sound

This cat-back exhaust is constructed out of 2-1/2 100% MIG-welded

Their progressive design balances a lowered stance with enhanced performance

flanged outlet

Cometic 91-92 Ski Doo Mach 1 Top End Gasket Kit 1977-gmc-c25-suburban-sierra-grande-esi2739743 Light sand base with brick-redAll of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns