Dinan

D660-0050

Dinan Free Flow Stainless Exhaust with Polished Tips for BMW F80 M3 F82 F83 M4

M3 F80 Sedan 2015-2018The F8x M3/M4's are a audible treat right off the showroom. Coupled with a Dinan exhaust however they become a symphony of aural delight that even the most discerning ear will find pleasing.

Product Description

Dinan’s Free Flow exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration, while reducing drone inside the vehicle, thanks to computer controlled valves that limit noise during low speed driving and open fully during high-load conditions to allow free flow. The exhaust gasses exit through larger laser engraved polished quad tips.

Benefits of the Free Flow Exhaust for the F8x M3/M4:

+ Maximum gain of +5 HP
+ Sportier sound
+ 100% 304 Stainless Steel Construction
+ Quad 3.5" laser engraved polished tips with Dinan logo
+ Computer controlled valve limits noise during low speed driving; valve opens fully during high-load conditions to allow free flow
+ Stock exhaust valve actuaters are reused
+ Operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-Drive settings. 
+ Dinan exhaust is 3 lbs lighter than stock
+ Twin secondary exhaust valves with a whopping 76mm diameter, making them 45% less restrictive than the OE valves.
+ Includes mounting hardware

Models supported by Free Flow Exhaust for the F8x M3/M4

  • 2015-2018 M3 F80 Sedan 
  • 2015-2018 M4 F83 Convertible 
  • 2015-2018 M4 F82 Coupe 

DOWNLOAD INSTALLATION INSTRUCTION HERE

Product Specifications
Labor Hours/Installation Hours 1.80
Max HP Gain 5

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