04.5-05 LLY Performance Parts Discussion | Chevy and GMC Duramax Diesel Forum

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14

10K

Socal Diesel Water Pump Bypass?

yip
19 d ago

1

194

by yip

64 vs 68 turbo rebuild

4

286

LML Fan Clutch on an LLY

7

291

PPE Dual Fueler Wont Hold Rail Pressure

5

211

LLY boost increase?

15

19K

by LilRedRambler

Extreme smoking after catch can install

0

129

Duramax not rolling coal? :/

2

29

24K

by Melonhead1102

I want the Duramax Scream!

2

24

9K

by 07flatbedlbz

Efi live and egr delete.

2

448

2

300

by Southwest_DMax

Higher Power Performance Tuning vs PPEI?

10

9K

Looking for More Turbo Whistle and little more power -What's your thoughts on this Turbo Upgrade?

2 3

49

6K

PPE Intercooler (Test Results)

yip
3 mo ago

2

347

by yip

14

4K

by yip

12

25K

by DirtySouthDuramax

Fingers stick (fingerstick) question

2

976

by firestopper36646

Upgraded Up Pipes & Manifolds... Worth it?

7

818

Suspension problems

1

317

by mray

‘17-19 L5P Oil Cooler on an ‘05 LLY??

15

1K

by ShopSpecialties

0

515

Kit for intake on 2004.5 duramax

5

821

Downpipe Support Bracket

7

759

Buying LLY egr delete pipe

0

445

fass fuel system 1/4 tank issue

6

4K

LLY Limp Mode No Codes

12

16K

by 1966Beaumont

3

175

2004 LLY upgrades recommended?

9

1K

Egr delete with no up pipe?

2

428

Best intercooler upgrade for lowering LLY EGT

2

28

3K

by ShopSpecialties

S&B mouth piece or any copies?

10

2K

60 over nozzles install

13

1K

by yip

Downpipe sugestion

4

714

6

375

by jwvonl

2004.5 LLY Mostly stock - looking for upgrades but still Pass CA smog

9

596

by yip

Upgraded Transmission

2

32

2K