Exhast questionably 1999 Lexus LS 400

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04-14-18, 03:37 PM

gingeraf

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Exhast questionably 1999 Lexus LS 400

I have a 99’ ls. I preveiously cut 2 rear mufflers out. There is only one resonator Though. Is that stock? What’s the normal exhast setup for this model of Lexus?

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04-14-18, 05:18 PM

bradland

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This is the stock set up.

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04-15-18, 07:06 AM

creilly

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Normal for the majority of these cars is 2 catalytic converters (17400) into one resonator (17410) and then 4 mufflers, 2 on each side (17420 and 17430.) I think I've seen that early California cars had a third catalytic converter in place of the resonator.