Quote:
Originally Posted by cmitchell17
Why do you think they go to the trouble of making different size outlet tips? Its just the chrome tips are bigger correct? I know there is 30% more power but I'm surprised to hear that there are so many custom ZL1 parts, like the air intake and other stuff.
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The bigger tips are to differentiate SS and ZL1.
The muffler is bypass mode is very efficient but needed to meet Noise standards....
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2019 ZL-1 Acquired 4/23/21 at 6300 miles. Riverside Blue, A10, PDR. Traded in 2017 2SS with 6M and 32k miles. Continental Extreme Contact Sports. Now has 10,000 miles...
2012 Yukon XL Denali w/ 6.2 AWD