Category Archives: Tech Articles

A Slightly Baffling Experience

Big City Thunder Generation II Thunder Monsters Price: $79.95 704-847-1222 Reviewed 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…
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Understanding Exhaust

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…
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Exhaust Dynamics

DON'T BE BAFFLED ABOUT SOUND AND PERFORMANCE!! IT'S WHAT'S INSIDE THAT COUNTS! Are you frustrated having to choose between quality sound and power? The answer you and countless others have been looking for has been answered with the introduction of Thunder Monster baffles. The latest innovations from Big City Thunder are our patented and trademarked…
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Dyno Tests

Eddie Berry - Certified Dyno Expert Service Manager, 25 years with Cox's Harley-Davidson Asheboro, NC "Big City Thunder does what they say - Better sound than a straight pipe and more power than a standard baffle. After testing their products on my Dyno using various bikes, pipes and build combinations, I know first hand, their…
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Cam Basics: Selecting the proper cam

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…
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