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Dinan Free Flow Exhaust – Black Tips – for BMW E82 E88 135i 2008-2013

SKU: D660-0025-BLK



Dinan’s Free Flow Exhaust for the 135i 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. 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 two 3.5” black tips for a tasteful, high performance look.

Benefits of the Dinan Free Flow Exhaust:

+ Max gain of 6 HP and 5 lb-ft of torque over stock
+ 50-State emissions legal
+ 100% stainless steel construction for corrosion resistance
+ Great exhaust note without drone