All Maniflow exhaust systems can be made of either 409 or 304 grade stainless steel. Approx 60% more. Phone or E-mail for details and availability

 Maniflow single box  systems have a (CLASSIC SOUND ). They come   with a three year warranty, are hand  made, using mild steel ERW tubing with 409 stainless steel internals, heavy- duty silencer bodies and 304 polished stainless steel tail-pipes.    Which all contributes to that distinctive    ( " A" Series sound ) 

 .Maniflow twin box  systems have a (MELLOW SOUND ) and come  with a three year warranty, are hand  made, using mild steel ERW tubing,with 409 stainless steel internals, heavy- duty silencer bodies and 304 polished stainless steel tail-pipes.    Which all contributes to that distinctive    ( " A" Series sound )