Homemade 3 Inch Exhaust Muffler | Stainless Steel

#gpgarage #homemademuffler #stainlesssteelmuffler Hello everyone In this video I show You how to make stainless steel muffler for car. This 3 inch muffler I made for my Bmw e39. I want build catback 3inch sistem on bmw e39 and this muffler is replacement for oem middle silencer. In next video I will make full flow muffler for replacement oem back muffler. When I’m done, I’ll post a video to hear the difference and new sound. Thanks for watching