D&D uses the state of the art Super Flow Eddy Current Ram Air Dyno, Super Flow Flow Bench, and the first in the industry multi-cylinder Lambda Fuel Air Ration Sensors, interfaced with the Dyno for real time meter and graph analysis. As the boys at NASA say, 'one test is worth a thousand opinions'. Increases range from 8 to 10 percent on stock motors. Show: Installing a D&D Exhaust on your Harley Touring is the best way to improve the performance of your bike. Built by reputation of excellent customer service, quality in every detail of the product, and the basic value of a system that performs as specified.īut, it takes more than honesty, integrity, and ethical business practices to become successful in this business. 2017-2023 Harley Touring M8 Billet Cat 2:1 Exhaust. The last. The construction of the Fatcat is top notch. Both bikes had been dyno tuned so there was none of that low-end torque dip people bitch about with 2>1 systems. So he did the only thing he could do.įorty years and 250,000 pipes later, D&D Exhaust exhaust systems are some of the leading performance motorcycle exhaust systems in the world. The E/D mode outputs your Dry signal from one channel and the Wet signal from the other, making for more sonic fun to explore. I had the ProPipe on my Sportster and the Fatcat on my FXDX. He knew that the proper exhaust for his engine configuration would give him an edge over his competition. He could not find the Exhaust Pipe he needed for his race bike.
