Originally Posted by 2totalled2months
Im considering the BMW performance exhaust, I haven't heard any sound clips or hp gain numbers, did you notice a big difference, BMW website doesn't say too much and 1250 is a reasonable cost
If you want BMW PE, I recommend here: http://www.trademotion.com/partlocat...catalogid=4462
Much, much, much cheaper than the price you stated as 1250. This is from a local BMW dealer near my house but they ship out as well.