1. Fully TIG welded, all flanges, no gas leaking.
2. #304 stainless steel muffler with twin #304 polished tail pips
3. 304 Stainless steel Flanges can be match ported
4. Build in M18 nuts, for tuning when use O2 sensor
5. Fit under rear apron for type 4 engine baywindow bus pre1979
6. For Type 4 engine 1700c.c. ~ 2400c.c.
7.Include Gaskets set for muffler.
8. Muffler will clear original tow hook.