Wednesday, December 2, 2009

Beat the law

The truth about going catless

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(The prettiest test subject of the day, this Magnaflow ceramic-core catalytic converter came dressed in this shiny stainless-steel jacket. And it has the bite to back up its visual bark, netting our Civic an additional 4hp over the stocker. While able to withstand less heat than the metallic cat, it's less expensive and may suffice for some naturally aspirated engines that run relatively lean AFRs.)



(This is your brain on drugs. OK, it's not. This is what happens when you give a cat too much to eat. Really. In normal operation, a cat burns anything that doesn't get burned by the engine. If a car is running excessively rich, all that unburned fuel leaving the engine ignites inside the cat and literally melts the cat down. This cat has been fed a heavy diet of raw fuel and, as you can see, has melted into a worthless pile of crap.)


(This Magnaflow unit is the least restrictive cat you can legally have on your catalyist-equipted vehicle. With a less restrictive core than the ceramic unit and the ability to withstand richer AFRs, a metallic core cat is the ideal candidate for a high-performance street car.)

(Source: Importtuner.com)

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