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  1. hdrolling

    Which build months are safe from lifter problems?

    On the facebook Tahoe groups there are already July 2021 engines having lifter failures, I don't think any month is safe completely.
  2. hdrolling

    6.2 vs 5.3 and premium gas

    The 6.2 is a higher compression engine than the 5.3, that's why they "highly recommend" 93. At least that's what it says in my owners manual. I think you would get more responses to asking 5.3L owners if they regret not getting the 6.2L, who wouldn't want more power? Since on the 2021 GM's...
  3. hdrolling

    MBRP Muffler

    That's what it says in the description on the GM parts site. " Upgrade the look and sound of your vehicle’s exhaust system with this Chevrolet Accessories Exhaust Upgrade System. . It allows for maximum performance from Borla’s patented, race-bred technology and engineering. "
  4. hdrolling

    MBRP Muffler

    Just to update I ordered and will install the GM performance exhaust (Borla), I 'll start a new thread after it's on and I get some miles on it. Just putting it out there for anyone else looking to do these mods and wondering if they do have have any drone or AFM sounds while driving.
  5. hdrolling

    Magnetic ride suspension VS standard

    The air ride isn't available on the RST, not sure what you mean by "coupled"? Z71 and High Country are the only two trims with available air ride for the 2021's.
  6. hdrolling

    Oil Catch Can

    Nothing breaks. I didn't see anyone post that you need one, just an easy mod to keep your engine cleaner.
  7. hdrolling

    MBRP Muffler

    Put the stock muffler back on today, the drone and cylinder deactivation is too much. Sounds good at start up and when accelerating but the rest of the time it's horrible. And since you can't turn off the AFM on the 21 Tahoe's I'll need to find a better exhaust option. Leaning towards the GM...
  8. hdrolling

    MBRP Muffler

    It's already a little louder than I wanted so the resonators are staying, from previous revews of this muffler on 5.3 and 6.2 engines everyone said its a quite muffler with a little more growl when you get on it. To me it's a pretty decent amount of sound at cold start and plenty of growl while...
  9. hdrolling

    MBRP Muffler

    Not that loud on the inside, and at cruising speed you can't hear it at all. Almost like the vehicle isn't running. Sounds good with some throttle.
  10. hdrolling

    MBRP Muffler

    So this a 6.2L with the flapper removed but both resonator still on and the MBRP muffler.
  11. hdrolling

    MBRP Muffler

    Finally got around to installing the MBRP muffler, might be a little louder than I was wanting. No test drive yet.
  12. hdrolling

    MBRP Muffler

    Just to update, no muffler shops are open on the weekends here apparently. So I made time this morning and they tell me they can't weld a SS muffler onto my stock exhaust. Should have known, but I wasn't thinking about it. I thought about trying to find another shop with a mig welder but...
  13. hdrolling

    Oil Catch Can

    Easy install, took longer to get the ladder out and put away than it did to put this in.
  14. hdrolling

    Oil Catch Can

    Mine just came in, going to install it tonight.
  15. hdrolling

    LED's in the taillights

    Here you can see the resistors mounted behind the tail lights, plenty of room and their not touching the taillights so they should have plenty of space to get air so they don't over heat.
  16. hdrolling

    LED's in the taillights

    For the red brake light and white reverse I used the VLED 7440 red and white 921, the 921's are $ 80 for the pair and available in 5000k and 6000k. I ordered the 5000k. The 7440 red were $70 for the pair, and for the four resisters (one per bulb) with the duo tap harness were $60. The duo tap...
  17. hdrolling

    LED's in the taillights

    For the turn signals I used the LASFIT 7440 bulbs, about $44 shipped on amazon. I installed these about two weeks ago and no hyper flash or dash warning that a lamp is out. But front reading in different forums and facebook groups I knew that using this style bulb in all the locations would...
  18. hdrolling

    LED's in the taillights

    Decided to swap out all 6 bulbs in the tail lights for LED bulbs, x2 stop x2 turn x2 reverse For the turns I installed Lasfit bulbs with built in resistors, but I knew from other posts that these wouldn't work in all the location at the same time. So for the stop and reverse I uses VLED bulbs...
  19. hdrolling

    Installed a CAI

    This one was $391 shipped
  20. hdrolling

    MBRP Muffler

    Stock video, remote start. I'm not wanting much louder than this.
  21. hdrolling

    MBRP Muffler

    Hopefully tomorrow, I need to get some before video of the stock exhaust. The start up sound is pretty nice, and a slight rumble while idling until it warms up. When my wife starts it up in the garage in the mornings it sounds really good, i'm not wanting much louder than it is so hopefully...
  22. hdrolling

    Adding badges, yes/no?

    I have the 3m wheel ready to go, keep forgetting since it blends in with the white.
  23. hdrolling

    Adding badges, yes/no?

    Decided to try adding some badges to my wife's 2021 High Country Tahoe, the HC and Z71 don't have rear badges but do have them on the front fender. All the other trim levels have the badges on the rear but not the sides. Decided to add the High Country "Mountain" badge and a 6.2L badge, not a...
  24. hdrolling

    MBRP Muffler

    I'm going to start slow, just swap mufflers for a few weeks. Then if I want a little more I'll have the resonators removed, going for a little more rumble and not race car loud. It is the wife's rig so she likes it as is, and being a school assistant principal I don't want it to stand out too...
  25. hdrolling

    MBRP Muffler

    Muffler came in today, decided to go with the 409 stainless. Here in NC we don't get much if any snow or salt on the roads. I'll get it installed sometime this week, wife has the Tahoe at work most days.

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