I agree about the Riss guys. They are being responsive to our concerns and are trying to make this right. But this may very well be the best aftermarket exhaust from outside the car I've ever heard. I've had six people in the past 4 days stop and ask what type of exhaust it is. If they can fix the resonance issue, it's a slam dunk.
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?16 M2 Long Beach Blue/Black, 6MT
'22 X5 4.0 M Sport Black Sapphire/Tartufo
?22 Tesla Model Y Performance Midnight Silver/White
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