Performance

Engine mods, Chips, Filters, etc.

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wheatswake
  • Sticky
the real story on spark plug wires
4 5 6
Replies
51
Views
71K
NASTY GM
NASTY GM
JennaBear
  • Sticky
Lower thermostats, really needed?
2 3
Replies
26
Views
21K
BlackBearPerf
BlackBearPerf
swathdiver
Useless Information
143 144 145
Replies
1K
Views
128K
swathdiver
swathdiver
NORCAL SS
Get a catch can before any mods.
69 70 71
Replies
709
Views
208K
rdhogg
rdhogg
Erik G
Black Widow muffler
32 33 34
Replies
334
Views
94K
97audia4
97audia4
itsbo1313
Long term owners of BlackBear Autocal tunes.
19 20 21
Replies
201
Views
41K
BlackBearPerf
BlackBearPerf
ibfreeman88
Turbo Tahoe?
18 19 20
Replies
193
Views
96K
Danny3737
Danny3737
LanceD
E85
17 18 19
Replies
189
Views
35K
Fless
Fless
MACHO
Airaid Jr.
17 18 19
Replies
182
Views
41K
DisplacedBuckeye
D
badandyturbo
Installed Headers
11 12 13
Replies
124
Views
24K
Rocket Man
Rocket Man
Sandaman
Minor performance mods help.
10 11 12
Replies
115
Views
23K
Sandaman
Sandaman
ChrisAU
Best CAI for 5.3L?
10 11 12
Replies
114
Views
30K
Blazed
Blazed
turboeclips
What exhaust are you running?
10 11 12
Replies
111
Views
39K
BigRed76
BigRed76
9
Headers on a 6.2L with Stock Muffler/Cat-Back?
9 10 11
Replies
109
Views
34K
DRKN57
D
MACHO
Black Bear Tune on my 2011 5.3L Tahoe
9 10 11
Replies
108
Views
42K
bigrhino
B
1
Upgrade OEM Transmission Cooler
9 10 11
Replies
104
Views
53K
08grey
0
D_R_C
Diy catch can install
9 10 11
Replies
103
Views
37K
BigBlueLB756
BigBlueLB756
bjeremi
Volant Tips on Ebay for $50
9 10 11
Replies
101
Views
15K
grebesbakery
G
babamerino
Black Bear Tune!!!
8 9 10
Replies
98
Views
17K
JennaBear
JennaBear
Jolly Roger
Antennas sticking outa my tires!
8 9 10
Replies
97
Views
14K
Rocket Man
Rocket Man
F
Want a fast Denali AWD
7 8 9
Replies
86
Views
18K
randeez
randeez
felixgun
SLP Dual Tip Tailpipe for 2008 Tahoe
7 8 9
Replies
84
Views
31K
bmwme
B
C
Synthetic or regular oil?
7 8 9
Replies
82
Views
93K
noob
N
0
6.2 what kind of mpg are you getting?
6 7 8
Replies
79
Views
20K
Barry822
Barry822
sfc_jones
Adding some HP and getting rid of DOD
6 7 8
Replies
77
Views
15K
992dr
992dr
S
20mpg average possible?
6 7 8
Replies
73
Views
21K
redeknightjr
redeknightjr
K_ddsl
2008 Denali Goes Much Much Faster!
6 7 8
Replies
72
Views
18K
fuel74
fuel74
W
magnaflow 12589? yay or nay
6 7 8
Replies
72
Views
28K
07Burb
07Burb
sumo
BB tune FTW
6 7 8
Replies
71
Views
8K
fishhunter911
fishhunter911
Eman
Super charger advice
5 6 7
Replies
69
Views
19K
Rocket Man
Rocket Man
avalonandl
Who has supercharged a 6.2 ?
5 6 7
Replies
68
Views
20K
ls1frc
L
Superhoe
Lysholm Twin Screw
5 6 7
Replies
68
Views
13K
Goodinblack
Goodinblack
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