Performance

Engine mods, Chips, Filters, etc.
Monstar_est87
  • Sticky
How to MarkVIII your OBS on a budget..!
6 7 8
Replies
75
Views
36K
saif najd
saif najd
S
Inexpensive upgrades/changes?
2
Replies
11
Views
618
iamdub
iamdub
C
Misfiring, runs like crap in morning
2
Replies
14
Views
1K
exp500
E
J
Intake Manifold Questions
Replies
2
Views
265
east302
east302
C
Bigger y-pipe and exhaust
2 3 4
Replies
35
Views
16K
NorCal
NorCal
2
1998 yukon 5.7 to 383
Replies
2
Views
490
YukonGTmaster
YukonGTmaster
Colorado Yeti
True Dual Exhaust on a 2-Door
2
Replies
11
Views
6K
rchurch5945
R
HellToPay
Hey guys I'm trying to nitrous my 99 350 Tahoe and I need advice
Replies
3
Views
740
YukonGTmaster
YukonGTmaster
3dirtwheels
Exhaust System Replacement
Replies
4
Views
2K
3dirtwheels
3dirtwheels
th3 shifty
Volant 150576 vs 15957
Replies
4
Views
1K
MikeyHustle
M
I
Fuel pump upgrade?
Replies
3
Views
1K
exp500
E
I
95 Yukon free TBI mods
Replies
2
Views
776
drakon543
drakon543
Mange16v
L31 to MPFI with other than Marine Intake Manifold
Replies
8
Views
10K
TahoePotato
T
C
Power/performance chip?? on 96 yukon 5.7
Replies
4
Views
1K
BlackBearPerf
BlackBearPerf
T
99 Tahoe performance mods
Replies
6
Views
4K
bigfootchiro
bigfootchiro
3dirtwheels
HT383E In a '98 2 Door Tahoe
Replies
1
Views
1K
dmhscorpio
dmhscorpio
T
Better Radiator?
2
Replies
11
Views
2K
TheAutumnWind
TheAutumnWind
S
Engine/tranny swap
Replies
8
Views
1K
SgtPreston
S
DallasTahoe
Bad cat?
2
Replies
17
Views
2K
BG1988
B
1
Off throttle RPM
Replies
8
Views
730
drakon543
drakon543
Charged Tahoe
Headers for the 'hoe in California.. CARB legal
Replies
0
Views
640
Charged Tahoe
Charged Tahoe
T
Anyone put a newer drive train into 96 Tahoe?
Replies
2
Views
1K
Ty Snear
T
Molly454
97 Tahoe weak start and running after starter replace
2
Replies
19
Views
1K
OR VietVet
OR VietVet
N
LT1 swap
Replies
4
Views
5K
Tonyrodz
Tonyrodz
Squirrelsmith
Hydroboost swap explained.... somewhat
Replies
3
Views
2K
iCajun
iCajun
Rayyy
Ignition coil upgrade?
Replies
1
Views
1K
bigfootchiro
bigfootchiro
Squirrelsmith
Exhaust is happening
6 7 8
Replies
72
Views
8K
Tonyrodz
Tonyrodz
K
Help A Newbie Choose Mods!
2
Replies
13
Views
4K
My99Yukon
My99Yukon
J
Fueling/performance
Replies
2
Views
1K
liquify33
liquify33
drakon543
Replacing my diy exhaust with Gibson
Replies
9
Views
2K
drakon543
drakon543
GMW468
Dual tailpipe exhaust on 95 Tahoe?
Replies
9
Views
2K
Joseph Garcia
Joseph Garcia
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