r/GMT800 is a subreddit with 20k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses annoying, help, ac, body mount, and z71, and they frequently recommend/review muffler, leveling kit, and lights.
Everything 1999 - 2006 Chevy and GMC trucks and SUVs.
Popular Themes in r/GMT800
#1
Advice Requests
: "CALLING ALL HOSSES. My 2200 mile roadtrip (round trip) starts next week. I’ve done a lot, but what maintenance would you prioritize for peace of mind"
11 posts
#2
Solution Requests
: "Tow haul"
4 posts
#3
Pain & Anger
: "Changed up the back of the Yukon after cooler juices ruined the carpet."
3 posts
#4
Money Talk
: "Whats a fair price?"
3 posts
Popular Topics in r/GMT800
#1
Annoying
5 posts
#2
Help
: "Need Help! Last slide for details"
4 posts
#3
Ac
: "Entire Ac System ruined?"
4 posts
#4
Body Mount
4 posts
#5
Z71
: "How rare are barn doors on a Z71?"
3 posts
#6
Noise
3 posts
#7
Rust
: "$3.9K, 247K miles, 05 Denali…Midwest vehicle…one Rust spot shown but waiting for pics of rocker and frame…thoughts?"
3 posts
#8
Truck
3 posts
#9
No Start
3 posts
#10
Tired
2 posts
Products Discussed in r/GMT800
Muffler
11 reviews
#1
Flowmaster
4.3★ from 8 reviews
#2
AP Exhaust
4.0★ from 1 review
#3
Magnaflow
4.0★ from 1 review
Leveling Kit
8 reviews
#1
Rough Country
3.3★ from 4 reviews
#2
Bilstein
4.0★ from 3 reviews
#3
KSP
4.0★ from 1 review
Lights
3 reviews
#1
Amazon
4.0★ from 1 review
#2
Epic Lighting
5.0★ from 1 review
#3
DEPO
5.0★ from 1 review
Member Growth in r/GMT800
Yearly
+9k members(80.7%)
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About
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Last updated: July 22, 2026