After this last race I think it can definately be stated that there is absolutely NO performance loss running the HPI muffler.
Roger Douglas ran the .15 with a HPI muffler, he not only TQ'ed the race but he also set the fastest single lap record with it.
So now that is put to rest.
Good run Roger!
Roger Douglas ran the .15 with a HPI muffler, he not only TQ'ed the race but he also set the fastest single lap record with it.
So now that is put to rest.
Good run Roger!