Stainless Steel RZ350 Hybrid Big Bore pipes and billet silencers.
We are achiving from 95-110hp on our Hybrid 421-443 & 465 builds using from Athena to Cub Cylinders with these Music Makers.
 
Also available for Cheetah 72-73.50 bore Mono Blocks.
 
They will also work with some extensively built RZ engine Combinations. that run larger Bore 66 to 68mm Big Bore in PV cylinders. with Porting and larger carbs. They work and fit great!
 
Video included for sound Clip on our Dyno. Have a listen!
 
3-4 WEEK BUILD TIME.