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I recently picked up a 2007 S65! Incredible car and really my first time getting into a 'modern' Mercedes since my W123 days. The car is amazing and sounds surreal with the custom cat-less downpipes. These downpipes don't appear to be name brand but custom and even have oxygen sensors mounted. The problem, of course with this setup, is with emissions. I'm looking at cutting out a section of each downpipe to add catalytic converters. I'm curious if there is a particular brand or style converter that is recommended or if there might there be an easier aftermarket solution?
Here's a clip of how she sounds with the custom downpipes and that sweet melody from the exhaust.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
