Video of Supersprint Powerloop. Direct bolt-on to stock x-pipe. Rest of exhaust is stock.
http://vid1070.photobucket.com/album...9DC008FD2F.mp4
Supersprint Installed:
Comparing Supersprint Powerloop (L) tips to Stromung tips (R):
Salty
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2006 BMW Z4M Interlagos Blue/Black
Aux Port|LED Interior|LED Strip Trunk|Underseat First Aid Box|Stubby Antenna|Intravee II|BMW Oil Change Kit|Top Down Side Panels|Vibra Technics Engine Mounts|Rogue Trans Mounts|Engine Mount Bolts Upgrade|RS Windblocker|Euro Front Plate|M5 Illum Shift Knob|Supersprint Powerloop Exhaust|Gruppe-M Intake|RPI Scoop|Black Grills|19x8.5 ET35 F 19x9.5 ET22 R Sportline 8s PSS| Besian Vanos|CDV Delete