130mm Diameter Vintage Speed Classic Sport and Super Flow Mufflers
1. ±4mm Adjustable flanges for stroker or narrower engines.
2. Sport muffler for engine up to 125 HP.
3. SuperFlow muffler for engine up to 150HP.
4. 100% #304 stainless steel muffler, tail pipes and headers.
5. Fiberglass fire sleeve on #2 and #4 header pipes were designed to protect fresh air hoses.
6. Include stainless steel 111 298 051A gaskets for heater boxes.
7. Compatible with early pre-59 bus models also (Barn Door to Press Bumper) but will be very close to apron.
1. Factory Type 181 style heat riser. #2 cylinder positive pressure side. #4 cylinder negative pressure side.
2. Flange adaptors for muffler to flange heater box. Heater box 35mm flange sold separately.