i have a 1990 Toyota 4runner 6 cyl. the muffler fell off! if I was to tack weld it back on or replace it would I get better gas mileage??? right now about $65 to $75 fills the tank up!!

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Asked by Aug 27, 2014 at 07:05 PM about the 1990 Toyota 4Runner 4 Dr SR5 V6 4WD SUV

Question type: Maintenance & Repair

1 Answer

228,515

You need it on for back pressure. Have a local shop get it back on. The issue would be, the reason it fell if, the muffler and or pipe might be rusted too much to tack weld it back on. So you would need to replace. Cheaper in the long run vs paying for gas and annoying your neighbors.

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