Single Mid Pipe For BMW G80 M3, G83 M4, G82 M4 (S58 Engine) c300 The JB4 is a plug

The JB4 is a plug & play tune available for turbocharged vehicles

The JB4 is a full plug and play device that installs and removes in minutes at home without special tools and unlike flash maps that permanently write over your DME with the JB4 your DME is never aware it's running more than the factory power levels

In addition to a dramatic power improvement

which is not suitable for high boost

Single Mid Pipe For BMW G80 M3, G83 M4, G82 M4 (S58 Engine) c300 The JB4 is a plugUpgrade your BMW G80 M3 or G82 G83 M4 with the Palenon Performance Single Midpipe, engineered to unlock maximum performance and deliver an aggressive exhaust note. Crafted from premium 304 stainless steel with a 3. 5 inch design, this midpipe enhances horsepower, torque, and throttle response while giving your S58 engine the sound it deserves. FEATURES Premium 304 Stainless Steel corrosion resistant, durable, and heat resistant. 3. 5 inch Diameter