I just scheduled my first maintenance visit for 2 days from now. In addition to the routine stuff I'm having them look at the vibration issues. I'm sure they will say its nothing, but I will report back. I'm a little disappointed I'm also having them look at 2 other issues as well. AC has a super loud whistling noise when its running (only on AC not on heat), and my backup camera is blurry (almost like something is on the inside of the lense). I'm hoping they don't fight me on these, should be covered under warranty as I just hit 6k miles. As for the comment above by JSB81, I seriously hope you are joking about the only option to be to trade... I can't imagine that would be the only option...
Update: mine seems to have a mind of its own. It tends to come and go. I cannot figure it out, but when it occurs the entire truck seems to not drive great (sluggish), then I'll get a few days where it's perfect and no vibration and runs awesome, which is what is frustrating as hell! I'm almost due for my first service and I plan to bring it up, but I doubt it'll go anywhere...
Can't decide between the K&N Blackhawk CAI and the Cold Air Inductions system. Anyone have a recommendation? K&N is about $100 cheaper. K&N is open box, as opposed to the cold air inductions being closed, any pro's/con's to open vs closed? Also K&N Blackhawk is a dry filter, not having to deal with oiling is appealing to me, but maybe not that big of deal...Yes I've read through all 54 pages and understand CAI's may be voodo but I'm pairing with a new exhaust system and figured why not.
Thanks for the responses, to be honest, you guys are actually making me lean towards the GM Borla hahahaha. I was afraid it was going to be too quiet! Like I said, I really don't want to drop $1500+ and not be able to hear it, but also not looking to be obnoxious....
In the market for a new catback exhaust system and have narrowed it down to 2 (GM Borla system vs Borla S-Type). Have read through the past 50 pages of this forum and listened to every youtube clip I can find and I'm still completely lost on which one to go with. From most of the videos I've watched I really like the sound of the S-type over the GM Borla version which most say sounds closer to the "touring" model. I'm not looking for something obnoxious on my 18 denali, but want more of a truck sound. Would hate to drop all the cash for the GM version if not much sound difference over stock (can't find a lot of clips of the GM Borla system for sound). I'm just worried about the supposed V4 drone issue with the s type. I spoke to a guy at Borla yesterday and he stated that the drone sound would most likely be present on the highway with the s-type, when it drops to V4 (helicopter sound @ 1300 - 1700 rpm's). However, he said it might be something I'd be able to live with (recommended driving one with an s-type installed, but don't have that option). He also stated I could purchase the range AFM disabler, which keeps truck in V8 all the time (not sure how I feel about that as some have said it throws check engine lights occasionally). PS - truck only has 5k miles on it, still under warranty. Do the people with S type have any feedback on if you've heard the v4 drone, or if the s type is too loud (ie wake up the neighbors/piss wife off/in cabin noise)? Guys with the GM Borla, is the sound aggressive enough, or do you wish it was louder? (any videos of the GM Borla with people getting on it? I've only have found cold starts with no revs, which makes it difficult to compare) Thanks for any help PS - probably gonna add the cold air induction CAI as well :-)
Hey guys, I too am torn between the GM Borla version and the type S. From most of the videos I've watched I really like the sound of the S-type over the GM Borla version that has more of a "touring" sound. I'm not looking for something obnoxious on my 18 denali, but want more of a truck sound. Would hate to drop all the cash for the GM version if not much sound difference over stock. I'm just worried a little about he supposed V4 drone issue with the s type. I spoke to a guy at Borla yesterday and he stated that the drone sound would most likely be able to be heard on the highway with the s-type, when it drops to V4 (helicopter sound). However, he said it might be something I'd be able to live with (recommended driving one with an s-type installed....wish I had that option). He also stated I could purchase the range AFM disabler, which keeps truck in V8 all the time (not sure how I feel about that as some have said it throws check engine lights occasionally). You guys with the S type have any feedback on if you've heard the v4 drone, or if the s type is too loud (ie wake up the neighbors)?
Ok found some more info out with a few phone calls. Sorry for the additional posts. Called GMC first, guy couldn't tell me much about how the GMC exhaust system compares directly to Borla's "touring" "type s" and "ATAK." All he could tell me was the multiple part numbers are for different bed lengths, still not sure why there is 4 listed though . He was able to inform me I would be looking at around $1,600 all in for the GMC borla system (1,309 installed, and oh an extra $161 for the chrome tips)...ouch. Next spoke to a very helpful gentlemen at Borla. He said the GMC Borla exhaust is designed especially for the AFM system in the GM trucks by GM engineers. In regards to sound he stated the GMC system is slightly above the "touring" model, but definitely quieter than the Type S. He said if I went with the type S, there would be a very good chance I could experience drone, especially in my 5.3, between 1300-1700 rpm's (ie. helicopter sound). Basically he said it would be something I would experience and decide if I could live with (any good video's of this drone sound?). He suggested if I really wanted the type S system to use a range device, and disable V4 mode (then no drone). So now my questions are..... 1. Can anyone point me in the direction of a video of someone with the GMC Borla system so I can compare the sound to the type S? and 2. I know nothing about these range devices, do they work? do they void warranty? etc. Thanks again everyone
Thanks for the responses so far. A little bummed they don't sell the GMC version of the type S, really like that sound from the videos I've watched. I see they have 4 part numbers shown for the 5.3 side exit version on the GMC accessory parts page. Can anyone tell me why are there 4 different part numbers? I first thought 1. "touring" 2. "type s" and 3. "ATAK" but not sure on 4th? I then thought different part numbers for different bed lengths maybe? but to my knowledge there are only 3 bed lengths, so don't understand the 4th part number.
I was hoping someone could help me out with my exhaust choice. I'm ready to pull the trigger on a new catback system. From what I've seen and heard on youtube and this forum I really like the sound of the borla s-type catback system. However, I can't figure out which one to order if I go through GMC.. My understanding is Borla makes systems specifically for GMC to help with the drone sound of these trucks when AFM kicks in. However, when I go to GMC accessory page online, they don't specify "s-type' in any of the descriptions. https://accessories.gmc.com/search/2018/GMC/Sierra 1500#/12009/Performance?sortId=top Also on another note, I was hoping to find the version with the rear side exit on each side (like in the link below) but do not see that version available on GMC's website. Am I missing something? Only see the dual passenger side exit, or straight out the back bumper.... https://www.borla.com/products/silverado_sierra_1500_catback_exhaust_stype_part__140719.html My truck is the 5.3 and is brand new (2018), so only reason I was going with the GMC version was to not void warranty (or does that matter if I just go directly from borla?) Also was hoping to avoid any drone noise in V4 on highway. Will most likely be pairing with the Cold Air Inductions Inc. CAI. Thanks in advance for any help.
So no one knows for sure if the gmc CAI accessory is made by Cold Air Inductions? If it is, interesting it's an extra $225!!! Maybe that is because of the tune gm does? or is their CAI better? Guess I'm trying to determine if it's worth the extra cash to use the gmc OEM CAI or not
Does anyone know if the gmc cold air intake (link below) is their brand or is it made by a company? I thought I read somewhere they are made by Cold Air Induction Inc. Cold Air Inductions seem to get pretty good reviews (saw a good dyno video with results on youtube). Starting to think about some of my first mods for my 2018 GMC Denali i just purchased... leaning towards a cold air intake, and the borla s-type exhaust system...I know there is some mixed opinions of if CAI's really work. I originally was looking at the K&N blackhawk, which was much more affordable than the gmc one in the link below. I noticed the gmc has a box around the filter...Any help would be appreciated (also any thoughts on the borla s type exhaust vs. others?) Also if I do the CAI and exhaust do I have to do a "tune"? does that do anything to the warranty? Thanks in advance. https://accessories.gmc.com/product/2018/GMC/Sierra 1500/53l-cold-air-intake-system-84089441?categoryId=12001
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