Performance

Want to free up some HP? Looking at headers, shift kits, superchargers, etc? Ask your performance related questions here! Check out the Duramax subforum for all Duramax related questions!

Duramax

Discuss any and every Duramax platform, general questions and modifications!
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90
Threads
4
Messages
90
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Wtb duramax
BigBen
muffler delete nnbs 2013/any problems?
Replies
16
Views
5K
cvand789
cvand789
C
muffler help
Replies
32
Views
5K
calboi
C
Chris.G.Jr.
Need help diagnosing an engine sputter/hesitation
Replies
15
Views
3K
Chris.G.Jr.
Chris.G.Jr.
wjmarsh55
Thoughts on headers and exhaust for 02 4.3
Replies
9
Views
2K
Oktain
Oktain
D
What Cam do I need?
Replies
121
Views
23K
Fiesty
Fiesty
HackMcMaster
Adding oil cooler
Replies
17
Views
3K
gm4yrs
G
Fiesty
Injector Help
Replies
4
Views
3K
CammedVmax
CammedVmax
chevy53martin
99 silverado 5.3 exhaust
Replies
21
Views
10K
DaddyFerg
D
0
no muffler ?
Replies
22
Views
4K
Ginger
Ginger
JennaBear
Snow meth kit on the way!
Replies
4
Views
2K
Smith
Smith
Oktain
Procharger i-1 *Programmable Boost*
Replies
14
Views
3K
nickyreno
nickyreno
Chris.G.Jr.
Ghost Crank
Replies
17
Views
4K
Chris.G.Jr.
Chris.G.Jr.
Chris.G.Jr.
Oil Pressure Gauge Pegged before startup
Replies
9
Views
3K
Boosted_Silverado
Boosted_Silverado
T
exhaust
Replies
11
Views
2K
Bassmaster
Bassmaster
welsh907
Important!: 6.0 engine covers.
Replies
39
Views
18K
welsh907
welsh907
welsh907
  • Locked
Need some help here.
Replies
17
Views
3K
Jared
Jared
Low01silveradO
Important!: 4.8L Dyno Numbers
Replies
47
Views
14K
slicksierra
slicksierra
C
Post Your Drag Times!
Replies
53
Views
10K
CammedVmax
CammedVmax
Ricardo
Help me choose gears ?
Replies
14
Views
3K
Low01silveradO
Low01silveradO
Slammed2000
Glow shift gauges, anyone used them?
Replies
12
Views
3K
Dirtmafia
Dirtmafia
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