I have a 2018 zl1 with kooks long tune headers and the borla attak. The borla attak made a HUGE difference. No more tin can sound. They are very load and deep. There’s just no comparison to these mufflers. Im buying the same set up for my 3rd gen now.

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Ausome sound and really easy install. It's a little pricey but you get what you pay for. Researched exhaust systems for 3 months and don't regret paying extra for this system. Hands down the best sounding, no drone system you can get. If you are on the fence about paying a little extra you won't be disappointed. The ATAK CATBACK system isn't too loud at idle just a nice rumble but when open it up you'll turn heads from blocks away.

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At first I was skeptical... until I got behind the wheel after it was installed. As soon as a gave it some gas on the highway I smiled and said it was worth every penny. If you have the money get it because you absolutely get what you pay for.

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The Borla exhaust sounds awesome on my car, so glad I bought it, makes driving my car fun. The sound is awesome and the pipes look great as well. It definitely turns heads

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The sickest sounding exhaust ive ever heard! The stock exhaust on a hellcat sounds great dont get me wrong but this system takes evil to a whole other level. Absolutely love it. The valve simulators work flawlessly. Easy install, no codes.

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This exhaust is amazing! Super easy to put on and sounds beautiful only con was the box it was shipped in was damaged and there was a small dent on one of the mufflers

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Makes my 2016 Sierra Denali 6.2 sound like a monster. My neighbors hate it at 4am when I'm leaving for work but hey they will deal with it. It is nice and doesn't drone in the cab when cruising , but when you hit the accelerator it lets people know of your presence. I get looks everywhere i go and people say wow.

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2015 F150. V8. System sounds awesome, very easy to install. Had delivery within a week. Made my Christmas.

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Purchased this for my wife's SRT8 6 spd Challenger. Finish is perfect, easy to install, and it sounds amazing! My wife wasn't able to stop grinning the whole time she drove it! I definitely recommend this system.

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So, after having this exhaust installed on our ZL1, we noticed that it is not as loud as we anticipated. It has more of a modest sound however, it does have a low, deep, rumble. Overall, we are very pleased with the sound and performance of the exhaust. A word of caution, it took almost 2 1/2 months to receive this exhaust! The ship by date listed on Summit's website is completely fabricated. The manufacturer does not build these until they have a certain amount of orders. So, if you plan on purchasing it, make sure you have tons of patience and plan accordingly!

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