Quote:
Originally Posted by Professor
Magnaflow BMW X5 4.4i exhaust system - YouTube
something like this? It reminds me of my vette without the cam lope.
I would love to do something like this but with a baby seat in the back I don't know if it will be to loud. Hows the x pipe with stock mufflers? louder than stock? any performance loss or gain?
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Well a lot of members no what it is but I forgot... I have the 4.6is which has some part the 4.4 and 4.8 does not have. My x pipe with stock mufflers is just a notch up from stock. Just when you start the car cold and when you gas it you can tell FROM THE OUTSIDE not from driver seat. Where I have heard 4.8 with just a magnaflow muffler and it sounds amazing!!!