Aftermarket exhaust question
#1
Aftermarket exhaust question
This is 2 days after I washed the car and polished the exhaust tips with mothers.
Hello guys,
So its been 2 months now since I've had my Joe z True dual exhaust on my IS350 and I must say that am in love with the sound. This is the first time ever owning an aftermarket exhaust system, Now since I've had it installed, I noticed that my exhaust tips tend to cover up with this black dust quickly. I have no CEL or anything, and I've googled this many times and it appears as burning rich?? Is it normal for the exhaust tips to have the black dust?
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JM1995 (03-02-17)
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