Check this out, http://www.harmanmotive.com/catalog/...oducts_id=1473

These guys claim the BMW 335i can make another 30 hp and roughly 30 ft lbs more power without catalytic system on. I noticed on the dyno graph that it is running boost, I'm not at all familiar with 335i's but that is cheap power! makes you wonder why you guys are running Superchargers on those srt6's.