Performance

Engine mods, Chips, Filters, etc.

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S
BlackBear coming to NJ
2
Replies
11
Views
2K
JennaBear
JennaBear
sick1166
High flow cats worth the money
Replies
9
Views
4K
D_R_C
D_R_C
I
2012 LTZ falls on its face...
2 3
Replies
29
Views
6K
Stresst
S
R
2003 z71 exhaust 18" Magnaflow
Replies
2
Views
730
roush611
R
R
LLP Headers Concern
Replies
8
Views
1K
Pooter
Pooter
blkonblk
BB Tune NJ April 6th
Replies
0
Views
663
blkonblk
blkonblk
N
Used Hydroboost yay Or Nay
Replies
0
Views
641
neosoul
N
S
Intake / BB tune question, yeah another thread...
Replies
4
Views
973
tights24
T
D_R_C
Tuner suggestions for 6.2
Replies
3
Views
983
JennaBear
JennaBear
babamerino
My MPGs SUCKS!!!
Replies
7
Views
2K
D_R_C
D_R_C
B
Corsa Sport Installed today! Major let down
3 4 5
Replies
44
Views
6K
brbohica
B
N
Anyone with pcmforless ecm's
Replies
0
Views
706
Nosho47
N
R
Where to go for Cams and Head Porting
Replies
1
Views
846
JennaBear
JennaBear
Wakinvol
BlackBear quickness!
2
Replies
14
Views
3K
Wakinvol
Wakinvol
J
Yukon cold air intake
Replies
2
Views
2K
johnny t
J
Superhoe
ARH Headers Installed & Smaller SC Pulley
2 3
Replies
21
Views
4K
Z-56 Hoe
Z-56 Hoe
T
Hit the track today
2 3
Replies
27
Views
3K
MACHO
MACHO
U
Need a tune with a Ported TB
Replies
4
Views
727
U2SLOW4ME
U
CHOO CHOO
Performance spark plug wires
2
Replies
10
Views
4K
Fast55
Fast55
Blazed
3.73s 2011 4x4?!?
2 3 4
Replies
38
Views
5K
Blazed
Blazed
T
New to me 2007 Yukon
Replies
5
Views
1K
felixgun
felixgun
J
2009 Yukon Sluggish Performance
Replies
9
Views
2K
JennaBear
JennaBear
nath
SLP exhaust mod 2007 Tahoe
2
Replies
18
Views
5K
Goodinblack
Goodinblack
Blacked-out-Tahoe
MJE tunning
Replies
7
Views
2K
MJEngineering
M
K_ddsl
2008 Denali Goes Much Much Faster!
6 7 8
Replies
72
Views
19K
fuel74
fuel74
T
Got my Airaid today!
2 3
Replies
23
Views
3K
Goodinblack
Goodinblack
Blazed
Caliper Relocation Brackets?
2
Replies
14
Views
3K
Blazed
Blazed
M
Performance/ mileage off since level
Replies
9
Views
1K
Rd05lly
R
C
Anyone ever get water in CAI?
Replies
2
Views
683
Phil DeVtec
Phil DeVtec
D
E85/ flexfuel
Replies
8
Views
1K
JennaBear
JennaBear
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