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Finally installed my UPR can and Airaid intake last week and wanted to give some feedback to anyone interested in something similar. Back story is that we bought a 2018 Yukon XL Denali in Dec then had all lifters n cam replaced 2 weeks after due to dreaded tick on engine with 33k miles. As tech said internals are clean, I decided to go with a can to protect investment especially aftering asking tech and service manager about them and its impact on the warranty. They stated as long as warranty claim isn't affected by catch can, there wouldn't be any issue.
Anyways here's some pics of the installation (plenty of videos are available to walk you through it)
The UPR kit is well designed for a clean and OEM look.
When I bought my truck in September, I couldn't believe how quiet the exhaust was on a 420hp motor. But I have to remind myself I'm not the target market because the majority of truck buyers these days want quiet and luxury.
My first attempt was the muffler delete. I was looking for an affordable option since I was also looking at a potential real estate investment at the time. Honestly, it turned out really good. It was much louder on startup and in town but surprisingly quiet on the highway since I left both flappers in. The best part is it only cost $75. The downside was a slight drone on steady hills and a much louder DFM noise. I could have lived with that except I could tell the truck had a lot more in it.
That brings me to my new Corsa exhaust. I've been hoarding these stimulus payments so I figured, why not. For anyone looking - CSP racing has the system around $200 less than anyone else and free shipping. Man... this exhaust really woke the truck up. I know people say this a lot but it really does feel like a different truck. The sound is excellent. My Corvette has the Corsa system as well and it sounds very similar to it on startup and high RPM. Throttle response is way better and it even climbs hills on my regular route a gear higher than it did before. You can just tell how much better the truck breathes with a catback system and those flappers gone. I didn't realize how restrictive they are. And in typical Corsa fashion, it's absolutely silent on the highway. The installation wasn't bad and only took a couple of hours with no lift. Getting the old system off was much harder than getting the new one on. I didn't want the cut the factory exhaust so I can go back to factory when I sell or trade the truck and even without my muffler in the way, it was a bear to get loose and drag out. The only downside is I wish it were louder at lower RPM but overall I'm really happy with it. Sorry, no sound clips yet. I'll work on that.
Thanks @TNTSilverado for suggesting this system and giving good advice.
I sold my 2017 GMC Sierra 6.2L. I pulled my UPR Catch Can setup off before trading it in. 2014-2018 Chevy Silverado GMC Sierra 6.2L UPR Dual valve oil catch can system with Clean side separator, plug in play with billet valves. Can also work with 5.3L with a different throttle body hose. I used this setup with an aftermarket cold air intake system installed. I no no longer need this, sold my truck. Paid about $600 new from UPR. Has drain valve installed onto catch can. Can meet in Hesperia or San Bernardino, CA area or I can ship within the states. I have more photos upon request. I couldn’t include them on this post because of upload size. Asking $425
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