Dinan - D660-0046-BLK
Dinan Free Flow Axle-Back Exhaust - 2012-2016 BMW 328i/428i
Freeflow Axle-Back Exhaust; 304 Stainless Steel Construction; 4 Max Horsepower Gain; 3 lbs.-ft. Max Torque Gain; Twin 70 mm. / 2.75 in. Laser Engraved Ceramic Black Tips;
Dinan engineers designed the BMW 328i/428i exhaust to improve 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 hard acceleration. Like all Dinan exhausts our 328i/428i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone. The system is built with ease in mind and utilizes a simple bolt-on installation with included mounting hardware. It is made from 100% 16-gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 70 mm ceramic black or polished and laser engraved exhaust tips for a tasteful high-performance look that yields a maximum performance gain of 4 horsepower and 3 ft-lbs of torque. The factory computer-controlled exhaust valve is eliminated.
- Improves Exhaust Flow By Reducing Back Pressure
- Increases Power Output And Provides Great Sporty Sound
- Reduces Low-RPM Drone So The Cabin Of Vehicle Is Still Intimate
- Easy Bolt-On Installation w/Included Mounting Hardware
- The System Will Resist Corrosion For Years To Come
- The Design Features Tips For Tasteful / High-Performance Look
- Enjoyably Louder / Sportier Sound
- Factory Computer-Controlled Exhaust Valve Is Eliminated
