SCORE Journal Issue 5 - 2016

SCORE Journal - The Official Publication of SCORE Off-Road Racing

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Page 65 of 85

U nderstanding the science behind desert racing exhaust systems can be challenging, even mystifying. If you dig deeper, however, you learn that all exhaust systems are a compromise, but in some cases it's well worth it. That's why professional engine builders play such a significant role in determining the ideal exhaust system in desert racing vehicles. This is where "tuned exhausts" come from. It's the job of the racing engine builder to map out the exhaust system for the chassis builder using variables like cam timing, bore and stroke, and back pressure, to ultimately BY STEPHEN ROMERO PHOTOGRAPHY: COURTESY OF THE MANUFACTURERS WHAT THE INDUSTRY SAYS ABOUT NOISE, CONFIGURATION AND OVERALL PERFORMANCE RACING EXHAUST 066 SCORE JOURNAL

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