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I just had it done this week. I actually saw dyno improvements of 6 HP and 9 TQ. I will be posting up my Dyno sheet and videos tonight. I agree with the other comments. Sound is a little deeper with a decent increase in volume. May be too loud for some, but it sounds good. The gurgling on deceleration is also much more noticeable now. That is probably a personal preference. Looks wise, it’s a HUGE improvement and yes the mufflers were several pounds each.
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2019 ZL1 Riverside Blue Metallic VIN #041
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