4" Stainless steel muffler
HY-460031
HY AUTOMOTIVE MFG stainless steel performance 4" inlet/outlet MUFFLER
460031 :T-304 Stainless Steel Muffler, 4 Inch inlet / outlet, 6 Inch Diameter, 31 Inch Long
STRAIGHT THROUGH DESIGN
470050 : 4" Stainless Packed, Perforated core 7.5" round body 27" overall