Performance

Engine mods, Chips, Filters, etc.

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Monstar_est87
  • Sticky
How to MarkVIII your OBS on a budget..!
2 3 4
Replies
75
Views
46K
saif najd
saif najd
HeliMatt
Cat delete and O2 sensor work around?
Replies
7
Views
5K
IRQVET
IRQVET
S
6.5 Turbo Diesel
Replies
14
Views
9K
doktorglory
D
pwerwgn
Performance
Replies
5
Views
634
OBSandaNNBS
OBSandaNNBS
Colorado Yeti
True Dual Exhaust on a 2-Door
Replies
19
Views
17K
95twodoorhoe
95twodoorhoe
Primetimetoons2
Bogging down when accelerated
Replies
6
Views
2K
OR VietVet
OR VietVet
K
Stainless Braided brake lines where to buy the. 01 Yukon xl
Replies
6
Views
2K
01YUKONXL_LM7
0
K
Performance upgrades
Replies
4
Views
3K
Marky Dissod
M
K
Tahoe performance!!
Replies
8
Views
2K
KingMyersJr26
K
C
HP tuners question for 99 Tahoe
Replies
1
Views
2K
j91z28d1
J
K
2 inch down pipes with a mild performance 350?
Replies
1
Views
2K
Chevyblue
C
S
Holley Sniper over-revving
Replies
2
Views
1K
SgtPreston
S
Walkercraig01
Cold air intake ... now high idle .
Replies
2
Views
2K
Walkercraig01
Walkercraig01
SpeedyGhost
Could Really Use some Guidance - Engine Swap
Replies
12
Views
4K
grouch
grouch
Blackcar
Warranty's and Add On's AFM
Replies
0
Views
1K
Blackcar
Blackcar
S
Inexpensive upgrades/changes?
Replies
11
Views
4K
iamdub
iamdub
C
Misfiring, runs like crap in morning
Replies
14
Views
3K
exp500
E
J
Intake Manifold Questions
Replies
2
Views
1K
east302
east302
C
Bigger y-pipe and exhaust
2
Replies
35
Views
22K
IRQVET
IRQVET
2
1998 yukon 5.7 to 383
Replies
2
Views
2K
YukonGTmaster
YukonGTmaster
HellToPay
Hey guys I'm trying to nitrous my 99 350 Tahoe and I need advice
Replies
3
Views
2K
YukonGTmaster
YukonGTmaster
3dirtwheels
Exhaust System Replacement
Replies
4
Views
3K
3dirtwheels
3dirtwheels
th3 shifty
Volant 150576 vs 15957
Replies
4
Views
3K
MikeyHustle
M
I
Fuel pump upgrade?
Replies
3
Views
4K
exp500
E
I
95 Yukon free TBI mods
Replies
2
Views
3K
drakon543
drakon543
Mange16v
L31 to MPFI with other than Marine Intake Manifold
Replies
8
Views
24K
TahoePotato
TahoePotato
C
Power/performance chip?? on 96 yukon 5.7
Replies
4
Views
4K
BlackBearPerf
BlackBearPerf
T
99 Tahoe performance mods
Replies
6
Views
15K
bigfootchiro
bigfootchiro
3dirtwheels
HT383E In a '98 2 Door Tahoe
Replies
1
Views
3K
dmhscorpio
dmhscorpio
T
Better Radiator?
Replies
11
Views
4K
TheAutumnWind
TheAutumnWind
S
Engine/tranny swap
Replies
8
Views
2K
SgtPreston
S
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