Dinan's Free Flow Exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone when desired. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come.
The design reduces overall weight as well and features 3.5'' polished stainless tips for a tasteful high performance look.
+100% 304 stainless steel construction
+Gain of 11HP when used with Stage 2 Performance Software
+Four 3.5” stainless steel polished & laser engraved exhaust tips
Models supported by Dinan Freeflow Stainless Exhaust with Polished Tips
- 2009-2012 750 Li & xDrive F02 Sedan
- 2009-2012 50i & xDrive F01 Sedan
- 2011-2012 Alpina B7 & L, X F01/F02
DOWNLOAD INSTALLATION INSTRUCTION HERE
|Labor Hours/Installation Hours
|Max HP Gain