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Engels started playing with Linux® in 1991 and obtained his Red Hat Certified Engineer (RHCE), Red Hat Certified Instructor (RHCI), and Red Hat Certified Examiner (RHCX) certifications in 2002. He is in charge of Bluepoint's Total Linux®, Linux Kernel Internals®, Perl & Python Programming, and Extreme PHP curriculum and instruction development.
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Richard Keech, RHCE, RHCX conducted my RHCE, RHCI, and RHCX training & certification in his capacity as Red Hat Asia-Pacific's Chief Instructor. Before we parted ways, he congratulated me for becoming the first Filipino RHCX. I told him that I was trained by the best.
mortega.net
In loving memory of CPT Mario B. Mortega Sr., USAFFE, VET (1920-2004)
Cherry Bomb
Thursday, Nov 4, 2004, 4:00 PM
I spent some time cleaning our car's cherry bomb this afternoon. After more than a year of daily use, the straight-through, free-flowing muffler was understandably full of tar and grime. Fortunately, normal dishwashing liquid did the trick. Aside from stripping away all dirt, it also gave the 304 stainless steel a nice shine sans expensive metal polish.

In the five minutes that it took me to clean the entire assembly, around ten cars sporting their own racing mufflers passed by. It was amusing to note that only three of these had "the real thing" - the rest had screw-on extensions to their stock mufflers.

AESTHETICS
Majority of the cars had decorative muffler extensions that provided no performance gains whatsoever. These cars were also peppered with stickers - HGK, Tanabe, Sparco, and NOS to name a few, even though they obviously had none of these items on board. Behind the 2Fast 2Furious facade were stock engines, stock mufflers, and stock drivers - all dressed up and nowhere to go.

SOUND
Some enthusiasts put a premium on muffler sound. They take great pains to ensure that heads will turn when they pass by. Nevermind if they break acceptable noise limits at first gear or burn twice the fuel to cover the same distance. Ditto on burn marks, carbon deposits, and tar coatings.

PERFORMANCE
Real race mufflers significantly increase engine power by reducing backpressure. Installation involves more than sawing off the stock muffler and welding a cherry bomb in its place. Straight-pipe and muffler sizes, possible header & air intake modifications, and timing & idle settings, among others, should also be considered. Get these right and you get a nice, low frequency hum without even trying. Aesthetics usually follow suit.

This idle categorization made me realize how lucky I was to inherit a properly modified engine and exhaust system.
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