BMW e39 540i Custom Cat Back Megan Racing Exhaust Vs. Straight Pipe

The car has stock headers and cats, with resonator delete and a very small muffler to get rid of some drone and excessive noise. is nice when cruising around town and any drone is easily over come by just having the radio on low. I used a local classified ad to get the muffler which was new and came with the box. link to the style of muffler from manufacturer website: https://meganracing.com/exhaust/exhau... Used a very reputable shop for the piping, bending welding etc. from cats back it is all stainless. I also spray painted the exhaust with high temp paint for addition corrosion resistance Total price for this mod was around $400