The M series exhaust canisters feature the highest level of quality construction and are designed to be fully serviceable in the event of damage (replacement parts are available).
The exhaust tone produced by all of Two Brother's Top Level exhaust systems is best described as being deep and throaty without suffering from the shrill whine normally associated with other manufacturer's straight through muffler canisters.
All of the canisters perform and sound the same, they are simply different shapes.
They all incorporate exclusive technologies and premium construction materials.
The shape and orientation is normally determined by the R&D department, based on a performance criteria checklist.
Anatomy of the Two Brothers Racing Road Performance Exhaust canister:
CNC-machined aluminum outlet.
Thinwall stainless steel spiral wound power core.
High temperature packing material.
Aluminum TBR badge.
Canister sleeve: Titanium.
Stainless steel reinforcing bands with rivets (carbon fiber and titanium only).
CNC-machined aluminum V.A.L.E.(tm) inlet.
CNC-machined aluminum X-Lite(tm) retaining ring.
Polished stainless steel slip-tube.
Polished stainless steel cat eliminator link pipe.