These systems are welded manually and are available in full titanium or a combination of stainless steel and titanium.  We have consistently found this exhaust to be the best performer for the Grom. 

Product specifications and other information:

– Silencer material: titanium
– Rear endcap material: carbon fiber
– Silencer inner parts material: titanium
– Mid-pipe material: titanium
– Silencer mounting: carbon fiber clamp
– dbKiller: No