Stock Exhaust Removal - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Performance Parts Discussion Discussion of Performance Parts For the 01-04 LB7 Duramax Trucks No Advertising

 
LinkBack Thread Tools Display Modes
post #1 of 4 (permalink) Old 11-12-2019, 12:04 PM Thread Starter
 
Join Date: Nov 2019
Posts: 6
Stock Exhaust Removal

Quick question if you change out your stock exhaust on a LB7 to a 4" straight pipe do you have to do a tune or is it will it be ok without.
Herk537 is offline  
Sponsored Links
Advertisement
 
post #2 of 4 (permalink) Old 11-12-2019, 12:14 PM
Duramax Lifetime Supporter
 
Join Date: Feb 2012
Location: Walton, WV
Posts: 9,479
No need for a tune on just an exhaust on most LB7's unless you have one with the California emissions.

2001 2500HD 4WD EXTENDED CAB LS,
S&B CAI, 4" STAINLESS STEEL EXHAUST, EFI LIVE FROM ATP TRUCKS, EDGE CTS, PPE BOOST VALVE, BANKS INTERCOOLER PIPE, AIR DOG II 165, REBUILT TRANNY WITH SUNCOAST KIT, TRANSGO SHIFTKIT AND BILLIT TORQUE CONVERTER, NEW UPGRADED TAILSHAFT, PUMP RUB FIX ON TRANSFER WITH NEW ALUMINUM TAIL SHAFT, NEW TOW MIRRORS, NEW GAGE HEAVY DUTY FRONT AND REAR BUMPERS, BEANS SUMP, FUMOTO VALVE, RARE PARTS TIE RODS WITH COGNITO PISK, MAD JACK FUEL FILTER ACCESS DOOR, STAINLESS STEEL SPEED BLEEDERS.
2011 GMC 3500HD DUALLY Welding Bed, 4WD CREW CAB, 4" downpipe back exhaust, def delete, egr delete, with new LB7 up pipe, pcv reroute, Fass 150, EFI live with DSP 5, HSP CAI. Air Lift Air bags. PPEI transmission tune.
mray is offline  
post #3 of 4 (permalink) Old 01-26-2020, 10:42 PM
Duramax Forum Supporter
 
Jwaggonersr's Avatar
 
Join Date: Jan 2020
Location: Baker City Oregon
Posts: 94
Garage
Nothing on 5" either that I found.
Attached Images
File Type: jpg DeeMax Exhaust.jpg (33.8 KB, 16 views)

2003 2500HD LB7,Fass Titanium, Leveled with Zone Offroad C32N 3" Adventure Series (UCA) Lift System With Black Nitro Shocks, Magnaflo 5" Welded, Fleece Airhorn
K&N with stock airbox, Center-Lok Overhead 2 Gun Rack,
Rear window 2 Gun rack, B&W Goose Neck Hitch, Ranch hand Brush guard, Behind the rear seat 2 gun rack. (Yes I have lots of guns), Fass Filter delete under the hood, Nerf Bars,PPE Boost Valve.

Stock wheels with 265/75R16 (soon to be replaced)!
Jwaggonersr is offline  
Sponsored Links
Advertisement
 
post #4 of 4 (permalink) Old 01-31-2020, 05:21 PM
DuramaxForum Enthusiast
 
Earnhardtfan's Avatar
 
Join Date: Mar 2011
Location: Concord, NC
Posts: 2,040
Garage
Nope. Good to go.

Justin 2001 LB7 Silverado 2500HD LT CCSB 4x4.
EFI Live by Idaho Rob, 536K+ and rolling, Undercover Bed Cover, Vortex spray in bed liner, Odyssey Extreme Batteries, Westin steps, Bilstein Shocks, Road Master Active Suspension, M/A Pump Rub Kit, PPE Trans Cooler, MBRP 5" Exhaust, Edge Insight CTS, K&N drop in filter, AirDog II 100 w/ CAT 751, LLY FF Housing w/ Racor, Running on LMM Blacked out Wheels & Michelin LTX M/S2 tires.
ADRENALINE TRUCK PERFORMANCE
Lincoln Diesel Specialties
Merchant Automotive
Earnhardtfan is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Chevy and GMC Duramax Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome