Mufflers for 3.2 BMW Z4M, entirely of steel, ready to be mounted on the car, tested at the bench with an income of 12HP and 20NM of torque.
Aesthetics and superb sound!
This is the link of the ebay special offer:
http://www.ebay.it/itm/SPORT-EXHAUST...#ht_500wt_1288
http://img402.imageshack.us/img402/9605/tmp9944m.jpg
