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Old 07-18-2013, 07:38 AM   #11 (permalink)
aardvarcus
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Join Date: Apr 2012
Location: Evensville, TN
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Deep Blue - '94 GMC Suburban K2500 SLE
90 day: 23.75 mpg (US)

Griffin (T4R) - '99 Toyota 4Runner SR5
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Justme1969, yes the vehicle is still emissions legal and yes I did cover up the catalytic converter. I need to correct that. I can’t think of a good way to cut cooling holes in the .060 aluminum without removing the pan given the danger of cutting the exhaust when trying to cut the aluminum, so I will need to dismount the center pan, cut some cooling holes, and put it back. I will try to make that a project this weekend.

Elhigh, good tip on the exhaust wrap near the tank, I will look into that. I think a combination of wrap and openings for cooling will be the best benefit.

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