V-FACTOR EXHAUST PORT TORQUE CONES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTER
WEIGHT: 0.27- IMPROVES POWER BY INCREASING THE EXHAUST GAS VELOCITY
- HELPS TO REDUCE EXHAUST REVERSION
- SIMPLE INSTALLATION REQUIRING NO PERMANENT MODIFICATION
- GREAT FOR USE WITH UNBAFFLED EXHAUST THAT REQUIRE SOME TYPE OF BACK PRESSURE TO RUN RIGHT
- CNC MACHINED WITH PRECISE ANGLES FOR MAXIMUM EFFECT
- EXTRA EXHAUST PORT GASKETS ARE NOT REQUIRED
V-FACTOR
STEEL CONE PAIR
FITS SHOVELHEAD MODELS 1966/1984