Downpipes for the F80/F82 2014+ BMW M3/M4 replace the factory components with a pure stainless steel system which also delete the factory catalytic converters reducing exhaust back-pressure while increasing turbo boost response and giving the engine a more aggressive sound pitch. Off-road use only and will require an ECU tune in order to delete the "check engine light". Comprised of a T-304 stainless steel construction. Our downpipes are protected with a 1-year limited warranty against manufacturer defects. 

Specifications & Features :
- F80/F82 2014+ BMW M3/M4
- 100% T-304 Stainless Steel Piping TIG-welded onto computerized CNC-machined flanges for strong, long-lasting durability
- Smooth bends improve flow and performance.
- Direct bolt on. 

NOTE: All of our products are deemed for "off-road use only"-- please check local laws regarding the modification of the exhaust systems by checking the vehicle code for your state. Many states are more stringent on exhaust modification laws and to pass SMOG. Please check your local laws. 

All of our exhaust system components will alter and affect the vehicle's overall sound in pitch and volume. All of which is subjective in manner. We will not claim responsibility and/or accept returns based on an individual's personal preference.