Mine has never had any shuttering at highway speeds, erratic shifting at light throttle..yes but that's about it... I never had any downshift clunk or banging into gears either...My truck was built 11/17.. I bought it in 2/18 ...I have 6500 miles on it now and it still seems the more I drive it, the better it is... Now Im not sure if its me, but it seemed to be a lot better after my first oil change..
I honestly don't know if there is one like Lauras for Chevy... Although Lauras DOES have a Chevy dealership now... I wanted a Chevy , but I couldn't pass up the deal on the GMC...
I bought my 2018 Gmc from Lauras in February... You wont find a better price anywhere....Other dealers told me there was no way they could match their pricing...FWIW I bought mine in early February ( $15,450 off sticker) and I have been watching Lauras website months before and after I bought to see if I got the best deal.. There was only one time where the deal was as good or maybe a few hundred better than what I paid.. So First part of the year seemed to be the best time to buy since there was a lot more selection when I got mine... 60K sticker I bought for 44k, plus I had a GM card bump.
No I didn't get the GM one... I was thinking about it, but it wasn't loud enough for me from the videos I heard online... Corsa technically only makes 1 exhaust for the 6.2 but I didn't want a single side exit, I like dual rear exits, so I found a Corsa made system that Lingenfelter used on their Reaper trucks...Lingenfelter had Corsa specially make the dual outlet systems for their trucks. https://www.lingenfelter.com/product/CP24204.html#.W7dnPmf2aL8 Just an FYI Exhaust systems from a GMT-900 will work on K2's... I compared the above lingenfelter (made for 14-up trucks) to the Corsa I had on my 2011 ( that I removed before I sold it) and they are EXACTLY the same pipes. I could have saved some cash If I knew that before hand.
At least Im not alone thinking that my tranny feels like its always slipping at light throttle....Im hoping it gets better after 10k miles, its just a little disappointing to me right now, knowing what I had. I thought this truck would be night and day difference since it has more gear and torque than what I had. I don't seem to have any of the other issues I read about on here with the tranny. No clunking or shuttering , just a strange disconnected feeling at light throttle Im ok on the warrany, as I will be out of the 5year warranty faster than the mileage, I only put on about 10k a year. My 2011 had the 5/100 and I was at 7 years 72k miles when I got rid of it
Yeah having the heavy wheels and tires definitely would kill some of the performance on your 2013. I did notice when I put my stock tires and wheels back on to sell my 2011 it felt like I gained another 50hp... Im happy with the way my 8spd shifts , yes, it shifts early but it can pull it easily. I have no issues so far with any clunking or shuttering like many people have , it just doesn't feel hooked up as it should at light throttle, that's my biggest complain... I agree the V4 has been fairly seamless and I actually like the v4 mode, especially on the highway. I don't feel a need for it on my daily commute and it is constantly in and out of v4 and I don't feel it does a lot, but if im taking a highway trip, I think its definitely worthwhile for fuel mileage. I have a Corsa exhaust on mine and have no issues with it in V4, most of the time while cruising, I cant even hear it, Corsa does a super job of eliminating any drone..
Actually my fuel mileage has been great with this truck compared to the old one...I can easily get 20-22 mpg on the highway mostly due to V4 mode,and my daily commute im getting high 17s-low 18....My 2011 was about 18mpg max highway and high15s -low 17s on my daily commute
So I bought my 2018 Sierra 6.2L max tow in Feb and I Just turned 6000 miles....My previous truck was a 2011 Silverado 6.2, 6spd and 3.73 ( due to the max tow) ...Am I crazy since it seems that my old truck would run circles around this new one?? FIrst off.. I love the the truck as a whole, the interior and the way this truck looks, is sooo much better than the GMT-900...My biggest complaint is this 6.2L feels like a 5.3 or even 4.3L compared to my L9H ...Is there something Im missing??...Even past the "click" its still not as fast as my 11 was ... The other thing is this 8speed... Now I don't have any of the shuttering or clunking issues that others have topics about, but this trans sometimes feels like a CVT when at light throttle (cant even tell its shifting and it feels like the converter is slipping until I give it more gas, then it seems to "couple together" and go)....When its on the highway its fine, but driving around back roads , it gets kind of annoying as well , sometimes it upshifts fast other times it will upshift later , and yet other times it will go into v4 mode for a bit then upshift ..I thought V4 mode was only available in the higher gears?? It seems to me that it puts it in V4 at times somewhere in gears 3-5 as well...ITs a pretty frustrating transmission... The 6spd in the 2011 had nice firm upshift and you pretty much knew what gear you were in..
Maybe find another exhaust shop...The flex pipe has NOTHING to do with 4cyl mode noise. The flapper valve behind the stock muffler is what is supposed to control 4cyl mode ..The flex pipe is there to "flex" to not made the system completely rigid and possibly crack something. It is NOT needed with cat back systems.
NONE!...IMO its the best exhaust system on the market ...It has a great sound and no interior resonance...The Sport system may be too loud for some, but I think its prefect...Cold starts are pretty loud..but after that it has a great sound...only gets pretty loud if you are in the gas hard, and even then its not annoying inside...Even in V4 mode, yes it does chopper a little but still no drone inside. Crusing down the highway is just as quiet as the factory exhaust...until you put your foot down..LOL
Unfortunately, there really isn't a lot you can do at this point to curb the drone besides changing mufflers....You can possibly add another small muffler ahead of it to knock out some sound, but any of the straight through "packed" mufflers will have some drone to them
Depends on of you want a Chevy or GMC... If Ok with GMC, Laura GMC in Illinois has a lot of NHT crew cab trucks on the lot, most of any dealership I have seen. I tried to find one locally, but couldn't.....I wanted a Chevy but there weren't any in a 300 mile radius of me...The NHT package is pretty rare to find in either brand...But Lauras has a good stock of them
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