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List of items needed and the video on how to install the Milwaukee 8 baffle.

Measuring your pipes.

Big City Thunder Generation II Thunder Monsters Price: $89.95704-847-1222Reviewed by Michael Mihalevich I'm a straight pipe kinda guy, but recently I've been slightly baffled. In a previous Partz section of Thunder Press, a product from Big City Thunder called a "Thunder Monster" claimed to increase power by up to 12 more horsepower than a straight pipe exhaust. Definitely piqued my interest!When I contacted Big City Thunder, I got to talk to Jim Maybeck, the former owner/driver of a Class AA Funny Car called the "Screaming Eagle" (way before Harley's Screamin' Eagle Performance parts). Jim was consistently blowing away the competition...

No exhaust system is ideal for all applications. Depending on their design and purpose, all exhaust systems compromise something to achieve something else. Before performing exhaust changes or modifications to increase performance, it is critical to determine what kind of performance you want. * Do you want the best possible low-end and mid-range power or maximum top-end power? * Will you be using an aftermarket cam with different lift, duration, timing and overlap? * Have you investigated the relationship between torque (force) and horsepower (amount of work within time)? * Do you want a cosmetic exhaust system or a performance...

Cam Basics Correct cam selection is the single most difficult choice facing the performance enthusiast. And, unfortunately, we get it wrong about as often as we get it right. An incorrect cam choice can result in decreased real-world performance if the selected cam's operating range is not matched to riding style. The operating range of any Harley engine is determined by a number of factors and the cam design is one of the most influential. If the cam design is not matched to the other components and is not matched to the desired engine power band (rpm range), then the...