View Single Post
      05-07-2014, 11:43 AM   #53
upstate650
Lieutenant Colonel
upstate650's Avatar
United_States
307
Rep
1,719
Posts

Drives: 2014 650xi Gran Coupe Msport
Join Date: May 2013
Location: The Hinterlands of Upstate NY

iTrader: (3)

Garage List
2020 BMW M340xi  [0.00]
Quote:
Originally Posted by Rob NY View Post
By doing it the way your shop did it you are not getting the full effect. First you kept the bigger muffler on the normal mode second in four places the factory mufflers were not welded the pipes were just put together so you missed it in two places (please see the attached pictures) and as you can see on the pictures I highlighted that the whole shell served as a muffler and by doing it the way I did it its completely sealed welded and the shell does not serve anymore as a muffler. By the way let us know how its sounds.
I want to do this so bad - whats the degree of difficulty - should any reasonably competent muffler shop be able to do this?
__________________
2014 BMW 650xi Gran Coupe Msport Black Sapphire Metallic on full black merino leather. 20" M5 343M wheels for summer, 20" 373 wheels for winter with Nokian Hakkapeliitta 8 studded snow tires. M6 CP exhaust with M6 Diffuser and ///M Performance carbon fiber finisher. Mission Performance stage 1.5 and transmission tune.
Appreciate 0