Performance

Engine mods, Chips, Filters, etc.

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wheatswake
  • Sticky
the real story on spark plug wires
4 5 6
Replies
50
Views
69K
Charlie207
Charlie207
JennaBear
  • Sticky
Lower thermostats, really needed?
2 3
Replies
26
Views
20K
BlackBearPerf
BlackBearPerf
Trey Hardy
Rear 02 sensor and misfire?
2
Replies
12
Views
274
j91z28d1
J
swathdiver
Useless Information
139 140 141
Replies
1K
Views
117K
blackelky
blackelky
J
Custom Tune Review!
3 4 5
Replies
40
Views
6K
jdwood1111
J
M
Cammed 5.3l
2
Replies
15
Views
7K
blackelky
blackelky
M
Diablosport 87 tune
2
Replies
13
Views
430
gooffeyguy
gooffeyguy
T
2011 Suburban Z71
Replies
1
Views
79
Geotrash
Geotrash
D
5.3 Gen 4 flex fuel afm dod delete need help
2
Replies
16
Views
805
Geotrash
Geotrash
A
Weird Flickering lights
2 3 4
Replies
30
Views
3K
Atrevino0497
A
M
2013 yukon denali xl exaust suggestion
2
Replies
12
Views
617
Doubeleive
Doubeleive
DaveO9
Anyone have any experience with Paradox Mufflers?
Replies
2
Views
265
blackelky
blackelky
992dr
07/08 vs 09/14 exhaust question
4 5 6
Replies
51
Views
4K
992dr
992dr
Monz11
Which tune HP or BBP?
Replies
6
Views
498
tooleyondeck
tooleyondeck
D
Which tuner to disable AFM?
2 3 4
Replies
38
Views
6K
Ibustbravo
I
Doubeleive
pick your brain regarding a tune
2 3
Replies
20
Views
989
BlackBearPerf
BlackBearPerf
K
AFM module draw
Replies
6
Views
518
Fless
Fless
J
New to LS motors. Cam replacement while doing AFM Delete Questions
Replies
8
Views
854
Geotrash
Geotrash
C
High flow catalytic converter
2 3 4
Replies
34
Views
3K
992dr
992dr
KidWgn
07/08 vs 09-14 Corsa catback
2
Replies
18
Views
812
iamdub
iamdub
J
Upgraded exhaust help
2 3
Replies
21
Views
2K
fozzi58
fozzi58
S
Exhaust butterfly valve?
Replies
9
Views
3K
Charlie207
Charlie207
O
Has anyone done a 50 or 75 NOS?
Replies
5
Views
478
Charlie207
Charlie207
Bjbmacon
Misfire on dod cylinders
Replies
7
Views
475
wjburken
wjburken
A
2014 Yukon Throwinb P2127 Code - SOLVED
Replies
3
Views
708
acfondaw
A
ouch_my_L4L5
My Experience so far with 2007 Yukon. Idle issues after cam swap, P0300, P0420, tuning.
2
Replies
16
Views
4K
ouch_my_L4L5
ouch_my_L4L5
W
Would pulling a vacuum on the PCV side of the crankcase restore lost power from worn rings?
Replies
9
Views
913
donjetman
donjetman
ProjectLT
EXHAUST SETUP!
2
Replies
16
Views
3K
Charlie207
Charlie207
DaveO9
upgrade air intake tube
2 3
Replies
22
Views
4K
FasterBass
F
B
tru-cool install?
Replies
7
Views
1K
Trey Hardy
Trey Hardy
OklabyGodhoma
New Problem
Replies
2
Views
346
Geotrash
Geotrash
PBR Street Gang
OBDII chip in 2010 SSV 5.3
2
Replies
15
Views
1K
swathdiver
swathdiver
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