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Been away for a while. After almost 4 years of enjoying the Gibson, I decided it was time to change things up a bit by getting a new exhaust. I listened to pretty much every exhaust available for the T1. I think one of the newcomers that wasn’t available when I purchased the Gibson is the AWE OFG. I love the sound of the AWE but for almost $2400, that’s a bit much for me to spend on the truck at this point in its life. So Borla it was. I went back and forth for a while trying to decide between the Borla Touring and S-Type. I have listened to the Touring in-person a few times. It’s about as loud as the Gibson so wanted something with more volume. I was leaning towards the S-Type but got a bit concerned as many claim it is a tad too loud, especially cold start. In the end I went with the S-Type and had it installed a few days ago. Long story short, I am both a bit relieved and slightly disappointed. Not nearly as loud as I thought it would be based on the threads here. Recently got a Camaro SS 1LE and the factory NPP exhaust on that car is loud. Maybe that has skewed my perception of loudness . I was a bit concerned the S-Type cold start might be louder than the Camaro but thankfully it’s quieter. I’m honestly slightly disappointed in the volume. It seems barely louder than the Gibson from first impressions. One major plus for the S-Type is that there is zero drone. The Gibson has a slight drone which I got used to over time. The S-Type sounds like stock exhaust when cruising, you can barely hear it. Even when you put your foot in it, you don’t hear it as much in the cabin. It’s fairly well isolated from the cabin. The Gibson is tuned for low revs and has a deeper tone compared to the S-Type. Overall, I think it was an ok upgrade. Hopefully it gets a tad louder over time. Maybe I should try the Atak harmonizer in-place of the S-Type resonator. I am going to have someone drive my truck so I can listen to it from outside. The general consensus I got from this sub was the S-Type is bonkers loud. That has not been my impression. Anyone else has a similar experience as me? Previous post on Gibson -
Finally received the Gibson cat-back exhaust (Part #: GPE-65692) after 2 weeks and had it installed a couple of days ago to replace my Magnaflow muffler. It’s a single-in, dual outlet stainless steel cat-back exhaust. Shop charged me a $100 install and they put 2 weld taps on each of the joints for when the clamps loosen over time. First start-up after install was loud, I mean it was barking. I was like, who the hell said Gibson exhausts were tame ?. It has a very rich deep tone to it. After driving it for a couple of days, the volume has mellowed quite a bit. Loving it. I have experienced the GM Performance exhaust a few times and I will say the Gibson is a touch louder. The Gibson is also a bit faster, more responsive exhaust. It seems it’s tuned for low revs. The 6.2 engine is not a very high revving engine but with the Gibson, it sounds a bit like the engine is revving faster than it actually is. I didn’t get that sensation from the GM Performance exhaust. Idle is dead silent, almost like engine off. There is very minimal drone on the highway. I actually don’t mind this. Just a little so you know it’s there. Diameter wise, it’s a little smaller than the GM Performance exhaust so not sure of any performance gains. I did it just for sound though. I paid $495 including tax and free shipping for this. I did already have a 10% off coupon from RealTruck. The bang for your buck is quite astonishing. Most systems available for this truck cost 2x-3x as much. It’s still on sale for $508 on RealTruck (https://realtruck.com/p/gibson-exhaust-systems/v/gmc/sierra-1500/2019/). I have no regrets, one of the best purchases I’ve made so far on this truck. As always, sound is very subjective so your mileage may vary but it’s hard to go wrong with a cat-back system for $500. Cold start-up below (didn’t quite capture as well as I would have liked). AT4 Gibson Exhaust.mp4
