I ordered a 22" 3.5" in/out Magnaflow off Amazon, then called around for someone to install it. Sounds like what a big 6.2 should sound likeĪlso got exhaust installed. However, I think it was worth it, and you get used to the sound quickly. Man does this 6.2 suck some air, you can really hear the intake and the deep throaty sound of the motor revving up going down the road and when you really get into the skinny pedal. 22" x 9.Got my full Cold Air Intake installed with the pre-filter from AirRaid.22" x 9.0" 6-Spoke Chrome Multi-Featured Design Wheels (29).22" x 8.5" Bright Aluminum Wheels w/Midnight Silver Premium Paint (17).GDI engines are prone to carbon buildup on valves due to design. Catch can should be installed when new to keep intake valves and manifold clean. Running Amsoil Signature 0W-20 oil full synthetic with once a year change. The catch can captures about 4 oz of breather oil every 4,000 miles. Added oil "catch can" at 37,000 miles and cleaned intake manifold and valves prior to addition. Average MPG on Hwy is 23 and 19 around town. Still love the car and there is nothing comparable in the marketplace. Taking back to dealer again to repair! Too bad the dealer didn’t notice this problem while changing trans fluid a week earlier! Noticed leaking left axle seal while rotating tires. Problem has been resolved for now, again! Dealer replaced trans fluid with a newer updated fluid that doesn’t absorb moisture. Torque converter clutch shudder returned at 35,000 miles. They replaced the motors on both sides and they are now working normally. Finally got dealer to recognize my intermittent running board problem by taking multiple video captures when they failed to extend or retract. Dealer service visit scheduled to diagnose/repair. Car sits very high on 22” wheels and the running boards are critical for wife or kids to get in. They have been lubricated and problem still exists. They fail to extend when doors are opened occasionally. Have recent issue with powered running boards installed by GMC. If the TPMS system is not updated after wheel rotation, tire positions will not agree with dash display in the event of a tire problem. Unfortunate that a simple routine simple maintenance task can't be accomplished without the $100 tool or a trip to the dealer or tire shop. Just learned the owner can't rotate tires and reset TPMS system without a special tool! This tool should be included with a $70,000 vehicle. They are also very hard to keep clean and not very happy with the chrome plastic inserts on the wheels. These wheels were a $2,400 option from GMC and it was a waste of money in my opinion. Car would ride much smoother on 18" or maybe 20" wheels. 22" wheels should not be an option on this car! Changed to Michelin Defender tires and solved vibration problems with original Bridgestone Dueler tires but this 22" size tire has low profile sidewalls which contributes to tires not absorbing bumps well and transmitting the bumps to the passengers. Still not happy with GMC 22" wheels that cause harsh and rough ride. Placing a section of close cell foam under panel solved the noise! Fixed by owner! The noise was from a loose spot weld on inner fender metal. Disassembled many components inside the glove box/dash area looking for it and finally found the noise was coming from the right front inner fender well! The noise could be duplicated by standing on and off the front part of the running board. Chased a problem with a rattling/popping noise that sounded like is was coming from the right side dash area. Have 17,000 miles on it now and problem is gone after fluid flush and change.Ĭar is very quiet and subsequently any rattles are heard very easily. Downshifting into 7th gear would eliminate problem at the expense of poorer gas milage. RPM fluctuated between 16 when TCC clutch was not happy. Problem caused shudder or vibration in 8th gear that felt like going over rumble strips. Had trouble with torque converter clutch but dealer was able to resolve with fluid flush and new transmission fluid type. My 2015 GMC Canyon had this feature but a $70,000 vehicle doesn't. This was available before 2016 but GM eliminated it which is a shame. My only disappointment in the vehicle is GM's decision to eliminate the ability to pause and rewind live radio that my previous vehicles had. It is easy to back the boat up too with large mirrors and good backup camera. Has tons of torque and pulling our 4,000 lb boat is … effortless. The ride and quiet cabin are spectacular and the fuel mileage is better than expected. We often have our kids and grandkids with us and routinely haul 7 people in this and love the legroom and cargo room with everyone on board. Easy to park and has a small turning radius. This is a big SUV that doesn't feel big when driving.
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