This is a Bolt-Through Muffler from Macs for the following Engines:
O.S. .21-.32FSR, .25FX, & .32SX
Thunder Tiger .25-.36 Pro
MDS .28-.38FS Pro
ENYA .25-.30CX & SS
Magnum .25-.28 Pro
Webra .28 Speed

FEATURES: Black aluminum construction
One piece construction
Ready for Macs New Smoke System

INCLUDES: One Muffler w/ pre-installed pressure fitting
Two Muffler screws (4-40x1.25")

REQUIRES: Thread-locking compound to keep screws tight

SPECS: Length: 6-7/8" (175mm) from center of exhaust port to end of muffler
Width: 1.353" (34.3mm) between mounting holes
Diameter: 1" (25.5mm) at largest point
Exhaust Port Opening: 1.085"x0.268" (27.5x6.8mm)

COMMENTS: Bolt-Through means that the screws go through the engine and
screw into the muffler

Macs Products

Part MAC6340