18 gauge mild steel pipe.

Internal/external ceramic coating satin silver finish.

6061 T-6 Aluminum silencer housing (hard anodized titanium finish).

1-3/4in internal core (stainless steel).

Billet aluminum outlet end cap with removable tip.

USFS approved screen type spark arrestor.

94 decibel Vortex Quiet Insert stainless steel.

Race Tools hi-performance pillow packing with stainless steel screen.

6-month manufacturer's warranty.