| |
 |
| |
 |  |
| |||||||
| 2011+ LML Performance Parts Discussion Discussion of Performance Parts For the 07 and up LML Duramax Trucks No Advertising |
 |
| | LinkBack | Thread Tools | Display Modes |
11-30-2012, 12:35 PM
| eBay Motors #11 (permalink) |
| Junior Member  Join Date: Nov 2011 Location: Palm beach island, Florida
Posts: 113
| I have the 5" MBRP with out a muffler and that is what i would recommend to anyone, the drone is noticeable around 86 mph
__________________ 2011 Chevrolet 2500hd CC/SB H&S MinniMax / 5" MBRP down pipe back exhaust with out a muffler / 20x10 BMF Sotas death metal black -19mm offset / 33x12.50 Toyo open country Mt's / 5% tint all the way around with 35% on the front window / Cognito leveling kit / 55w 6K HID's / two 12" Kenwood subs in the back |
|  |
| Sponsored Links | |||
Advertisement | |||
|
11-30-2012, 12:41 PM
| eBay Motors #12 (permalink) |
| Duramax Lifetime Supporter  Join Date: Sep 2011 Location: Atmore, Alabama
Posts: 611
| If it gets noticeable around 85 I'll be good..........Is your low end still there? I'll be pulling and don't want it to have troubles... I wanted to get folks thoughts and experiences. I'm figuring on the 5 with no muffler.....
__________________ 2013 Silverado 2500HD Duramax Diesel LML CCSB 4x4 LTZ Trim H&S Mini Maxx (just have to push the button to install) 20" Moto Metal Wheels 33x12.50 Toyo MT's |
| |
|
11-30-2012, 01:56 PM
| eBay Motors #13 (permalink) |
| DuramaxForum Veteran  Join Date: Aug 2012 Location: SLC, Utah
Posts: 1,564
| Diesels don't need back pressure.. The turbo helps with that and there is no performance difference between 4" and 5"... You still will always have a 4" or less down-pipe Sent from my iPhone using AutoGuide.com App
__________________ 2006 LBZ CCLB DRW Suncoast Trans w/ 1056 Billet Garrett 4094 BTLockup Box Built Front End Some More Stuff EFI Live by Starlite Diesel Fastest 1/4 yet: 13.606 (fourth time down the track) |
|
| |
|
11-30-2012, 07:43 PM
| eBay Motors #14 (permalink) |
| DuramaxForum Veteran  Join Date: Aug 2012 Location: Youngsville/Wake Forest
Posts: 1,522
| Turbo'd vehicles don't need back pressure, not specially diesels FWIW. It's basic turbo principals. Sent from my iPhone using AutoGuide.com Free App
__________________ 2004.5 Sierra SLT 4WD CCSB Black/Black Studded, Deleted, Re-Routed FPRV Race Valve LBZ FPR 20x10 ET -12 Fuel Hostage Nitto 420s 305/50/20 All-On Mod MA Pump Rub Kit 3" DE Down Pipe to a 7" Single Mitre Cut EFI Live DSP5 By Kory "Supa Tuna" Willis @ PPEI |
|
| |
|
12-01-2012, 02:37 PM
| eBay Motors #15 (permalink) |
| Junior Member Join Date: Nov 2011 Location: Palm beach island, Florida
Posts: 113
| No back pressure needed on a diesel with a turbo man, also your performance is limited due to the size of your down pipe so the only difference is a lower tone with the 5"
__________________ 2011 Chevrolet 2500hd CC/SB H&S MinniMax / 5" MBRP down pipe back exhaust with out a muffler / 20x10 BMF Sotas death metal black -19mm offset / 33x12.50 Toyo open country Mt's / 5% tint all the way around with 35% on the front window / Cognito leveling kit / 55w 6K HID's / two 12" Kenwood subs in the back |
|
| |
|
12-01-2012, 03:41 PM
| eBay Motors #16 (permalink) |
| DuramaxForum Veteran  Join Date: Mar 2011 Location: Huntersville, NC
Posts: 1,234
| I have a 5" MBRP with a muffler. Got that sweet LB7 sounds.
__________________ Justin 2001 LB7 Silverado 2500HD LT CCSB 4x4. EFI Live by Idaho Rob, 298K+ and rolling, Undercover Bed Cover, Vortex spray in bed liner, Westin steps, Bilstein Shocks, Road Master Active Suspension, MBRP 5" Exhaust, Edge Insight CTS, K&N drop in filter, AirDog II 100, Nicktane w/ CAT 750, Running on LMM Blacked out Wheels & Michelin LTX M/S2 tires. ADRENALINE TRUCK PERFORMANCE APPALACHIAN COAL ROLLERS Merchant Automotive CENTRAL FLORIDA DURAMAX |
|
| |
|
12-01-2012, 06:09 PM
| eBay Motors #17 (permalink) |
| Duramax Lifetime Supporter  Join Date: Nov 2011 Location: East Texas
Posts: 1,887
| Go MBRP 5" with straight pipe. Absolutely love mine. Love the sound, no power loss at all. Love the sound... Did I mention, it sounds awesome???
__________________ 2012 lml cc/4wd Road Armor Lonestar Front Bumper, Warn 9.5k, Hella 7" and 4" HID's, Rancho 4" lift w/ 2 3/4" 9000s shocks, Cognito UCA's, 35" Trail Grapplers, RCD Sway Bar Links, Nfab 3step bars,front wheel spacers,sulastic shackles, MA sleeves, s&b c.a.i. dry filter w/ outer wear, resonator block plate, amsoil bypass kit, Fumoto drain valve, amsoil syn/ 15-40 motor oil, amsoil syn/ torque drive transmission, amsoil syn/ torque drive transfer case, fabtech stabilizer, opti-lube xpd, HID 55w 6k lows, L.E.D. bulbs throughout, H&S Mini-Maxx, H&S Pyrometer, Vumaxx mount, Autometer Cobalt Pyrometer, Diamond Eye down pipe, FASS Titanium 150, FASS custom filter cover, MBRP 5" Straight pipe exhaust, 6" Chrome MBRP tip, Custom overhead switches, Fuse banks INSTALL THREAD http://www.duramaxforum.com/forum/20...-2012-lml.html |
|
| |
|
12-01-2012, 06:10 PM
| eBay Motors #18 (permalink) |
| Duramax Lifetime Supporter Join Date: Nov 2011 Location: East Texas
Posts: 1,887
| Installed a 4" MBRP with muffler this week on our other dmax. It is extremely quiet. Just like factory. Has a little more whistle to it over the factory, but that's it. If you want factory quiet, get the muffler. If not, get the straight pipe...
__________________ 2012 lml cc/4wd Road Armor Lonestar Front Bumper, Warn 9.5k, Hella 7" and 4" HID's, Rancho 4" lift w/ 2 3/4" 9000s shocks, Cognito UCA's, 35" Trail Grapplers, RCD Sway Bar Links, Nfab 3step bars,front wheel spacers,sulastic shackles, MA sleeves, s&b c.a.i. dry filter w/ outer wear, resonator block plate, amsoil bypass kit, Fumoto drain valve, amsoil syn/ 15-40 motor oil, amsoil syn/ torque drive transmission, amsoil syn/ torque drive transfer case, fabtech stabilizer, opti-lube xpd, HID 55w 6k lows, L.E.D. bulbs throughout, H&S Mini-Maxx, H&S Pyrometer, Vumaxx mount, Autometer Cobalt Pyrometer, Diamond Eye down pipe, FASS Titanium 150, FASS custom filter cover, MBRP 5" Straight pipe exhaust, 6" Chrome MBRP tip, Custom overhead switches, Fuse banks INSTALL THREAD http://www.duramaxforum.com/forum/20...-2012-lml.html |
|
| |
|
12-01-2012, 06:13 PM
| eBay Motors #19 (permalink) |
| Duramax Lifetime Supporter Join Date: Sep 2011 Location: Atmore, Alabama
Posts: 611
| Thanks Armalite...i def want more sound....think I'll be going 5" straight pipe.....
__________________ 2013 Silverado 2500HD Duramax Diesel LML CCSB 4x4 LTZ Trim H&S Mini Maxx (just have to push the button to install) 20" Moto Metal Wheels 33x12.50 Toyo MT's |
|
| |
|
12-01-2012, 06:17 PM
| eBay Motors #20 (permalink) |
| Duramax Lifetime Supporter Join Date: Nov 2011 Location: East Texas
Posts: 1,887
| Good choice. If you want sound, don't get the muffler. I was really surprised how quiet it was with a muffler. We have a 2006 dmax with a 4" MBRP and muffler, and it is louder than factory. Not straight pipe loud, but definitely louder than factory muffler. I was expecting the same thing with the lml, but was wrong.
__________________ 2012 lml cc/4wd Road Armor Lonestar Front Bumper, Warn 9.5k, Hella 7" and 4" HID's, Rancho 4" lift w/ 2 3/4" 9000s shocks, Cognito UCA's, 35" Trail Grapplers, RCD Sway Bar Links, Nfab 3step bars,front wheel spacers,sulastic shackles, MA sleeves, s&b c.a.i. dry filter w/ outer wear, resonator block plate, amsoil bypass kit, Fumoto drain valve, amsoil syn/ 15-40 motor oil, amsoil syn/ torque drive transmission, amsoil syn/ torque drive transfer case, fabtech stabilizer, opti-lube xpd, HID 55w 6k lows, L.E.D. bulbs throughout, H&S Mini-Maxx, H&S Pyrometer, Vumaxx mount, Autometer Cobalt Pyrometer, Diamond Eye down pipe, FASS Titanium 150, FASS custom filter cover, MBRP 5" Straight pipe exhaust, 6" Chrome MBRP tip, Custom overhead switches, Fuse banks INSTALL THREAD http://www.duramaxforum.com/forum/20...-2012-lml.html |
|
| |
| Sponsored Links | |
Advertisement | |
|
| Thread Tools | |
| Display Modes | |
| |
Linear Mode
