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Chevy / GMC Duramax 04.5-05 LLY Forum
04.5-05 LLY Performance Parts Discussion
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Durallymax
Jun 8, 2010
14
14K
Jan 24, 2021
by
Wolfeman
D
Duramax shifts horrible
durzack
Apr 23, 2023
3
1K
3d ago
by
daraon
After Market Turbo Mouthpiece Fitment Issues.
CarterDawson
Dec 21, 2023
4
424
Mar 6, 2024
by
Boudin
J
egr deletes on new motor replacement
jnussmeier
Mar 5, 2024
Locked
1
177
Mar 5, 2024
by
scottydl
M
Straight pipe legality
Mak1990
Aug 19, 2012
18
9K
Mar 4, 2024
by
Madbuzz41
Exhaust Manifolds
Time2fly
Jan 15, 2024
0
193
Jan 15, 2024
by
Time2fly
J
Won't start in the cold!
JZK01
Jan 23, 2013
2
3
55
64K
Jan 14, 2024
by
GoBlowSnow
LLY Headers/manifold
erikp107
Dec 22, 2014
46
13K
Jan 12, 2024
by
Time2fly
S
EFI dsp5 Selector
shootergambler
Jan 6, 2024
4
330
Jan 8, 2024
by
shootergambler
D
Waterpump replacement - OEM style or "welded"?
dapjbl
Nov 27, 2023
16
1K
Dec 17, 2023
by
jake111
U
Extreme smoking after catch can install
unc23459
May 10, 2021
2
994
Dec 16, 2023
by
Mickey D
Cheapo 4” lift?
Trgglynn
Nov 29, 2023
0
144
Nov 29, 2023
by
Trgglynn
M
Tuning Help Needed for '05 LLY
mattryn92
Oct 3, 2023
6
565
Nov 10, 2023
by
BlownL36
LLY Turbo Upgrades
MN LLY
Nov 2, 2023
6
875
Nov 3, 2023
by
DMAXfirefighter
C
power pup extreme tune
candyman01
Aug 23, 2012
7
5K
Oct 25, 2023
by
Hunter B
Fuel restriction
Thedove6.6
Oct 9, 2023
0
178
Oct 9, 2023
by
Thedove6.6
Twin turbo kits
The 05 Lilly
Sep 30, 2023
0
215
Sep 30, 2023
by
The 05 Lilly
J
Primer pump won’t hold prime
Jamezz_98
Sep 10, 2023
5
668
Sep 10, 2023
by
Ron Nielson
2
Aftermarket Y bridge with EGR still in place?
209Duramax
Feb 17, 2022
10
6K
Aug 23, 2023
by
BHur5t
S
05 LLY Downpipe Fitment Issue
sbdblyss
Aug 13, 2023
3
655
Aug 17, 2023
by
sbdblyss
G
Locked lly ecm? Help
Goodlly
Aug 14, 2023
Redirect
–
–
N/A
D
Glow Plug Controller
diesels only 20075
Dec 7, 2022
8
6K
Aug 14, 2023
by
Huntinrig
B
cold air intake
BLK ICE
Apr 9, 2008
2
3
4
99
89K
Aug 8, 2023
by
Ron Nielson
2004.5 LLY performance
dmaximizer77
Aug 7, 2023
0
531
Aug 7, 2023
by
dmaximizer77
Glow plug controller
lkingindustries0
Dec 20, 2022
1
1K
Aug 7, 2023
by
papahag
R
Boost stick LLY
Robbydmax
Aug 6, 2023
5
442
Aug 6, 2023
by
Robbydmax
ppe economy vs standard
texasdmax
May 4, 2009
18
17K
Aug 3, 2023
by
SFLTruck
D
2004 LLY not building boost
Dmax257
May 29, 2023
7
649
Jul 25, 2023
by
Noble_dmax
Vin check help please
DUUURTYMAX
Jun 8, 2023
5
945
Jun 12, 2023
by
DUUURTYMAX
C
New to me duramax questions?
cb300wsm
Mar 21, 2023
3
956
Jun 8, 2023
by
DUUURTYMAX
I
Will my 04 lly throw a code if I put in a straight pipe
Isaiahw.15
May 23, 2023
3
646
May 23, 2023
by
DMAXfirefighter
N
4" straight exhaust website?
NateD46
May 16, 2023
Locked
1
649
May 16, 2023
by
BoiseRob
C
Suggestions on egr code trouble
cb300wsm
May 2, 2023
5
548
May 4, 2023
by
cb300wsm
R
S&B Turbo Intake and PCV Re-route
rjay
Apr 5, 2023
4
1K
Apr 6, 2023
by
rjay
E
Hsp high flow bundle kit
ericrod70
Apr 3, 2023
2
2K
Apr 3, 2023
by
ericrod70
R
EDGE CTS3 Tuner Problems
rjay
Mar 28, 2023
1
2K
Mar 28, 2023
by
Heavy_GD
1
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