ok see if any of yawl can give me answers.
i have a 04.5 lly duramax. i have the banks 4 inch exhaust on it. i was wondering what i can do to make it louder than what it is. because i go onto youtube and there are lly's on there that sound nasty. so i was wondering if anyone out there could tell me how to make mine sound nasty and NOT BE QUIET..
ive also been thinking about taking the cat off of it also. but i cant find a cat delete pipe. any ideas??

GTRW3T's Sig:

i have have a 04 chevy lly duramax 2500HD 4x4 . it has the banks 6 gun, 5in grand rock aussie cut stacks, 4in mpbr cat delete down pipe, no muffler just strait 4in pipe, cold air intake, dual piller pod w/ autometer boost and pyro gagues, 3in body lift, eagle alloy rims with pro comp all terains. and alot more stuff to come though.
just wanna say thanks to cbrahs and sunsetsky for there help hooking me up

MBRP for a cat delete, and straight pipe to delete the muffler. That'll give you some noise.

Rttoys's Sig:

'05 Chevrolet CC/SB Duramax/Allison

MBRP and a few others sel the full turbo back (actually its a downpipe back) system. Removing the cat and muffler will make it plenty loud behind you. I had the MBRP downpipe back kit with Cat delete, and wound up taking the muffler out and going straight pipe. Its sounds real good and loud behind me.. if you want even louder, go with a stack ..

Oilfield_Mafia's Sig:

>> Become a BOMBARDIER Today! <<

_____________________________________

07 Classic LBZ CC/SB 4x4

TransGo Jr, 4" MBRP,6" Single Mitre Cut Stack, Autometers in Pillar

Blocked, Custom Cold Air Intake, Resonator Delete

PPE

Big Thanks to Jim @ Upstate Diesel, Gasuout, 2500HeavyDuty, RSWORDS & Everyone else here @ DieselBombers.com

Remove the down pipe from the turbo. Drill a 4" hole in the firewall, directly behind the turbo. Bolt a straight pipe from the turbo directly into the cab.

And roll down the windows...

Nitelord's Sig:

-> Don't forget your DB Discount Code BOMBERS for additional savings on your entire Adams order. <-
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MY RIDE: 99' Dodge Ram 2500 SLT 4x4 diesel QC/sb - MBRP dual exhaust, Edge Drag Comp stacked w/Smarty, aFe Stage 2 intake,
SO VP-44, AirDog 150, RV275's, Bilstein 5100's, Revtek Leveler, Cobalt gauges, 35" Hankook MT's on 18" KMC D-back rims,
Sno-way 29T, Husky 5th wheel slider & Prodigy controller.

i gotcha and i plan on putting 5inch turn out stacks on it. im just waiting to get all the parts. i was just wondering what it would do if i took that cat off..

Oh it will definately make it louder for now bud.. get rid of the cat and the muffler for now..

pull your cat out get a concrete pin and a hammer hallow the cat out .cut the cat on both sides on the weld . get a marker and small piece of 4inch pipe trace the 4inch pipe around both ends of the cat were you cut the weld .now cut the cat slide the 4inch pipe through the cat weld it up. the point to this is to make it look like the 4inch pipe has ben welded to both sides of the cat but now your cat is hallow so you can pass inspection when you smog it makes the truck sond good and you pass smog as long as you dont run a smokey tune flash it back to stock when you smog it .ditch the muffler and stay with a 4inch your not running enough power to need anything bigger.
I did this on mine as a do it your self and it didnt coast me anything. with the stock turbo its not going to be to to loud your going to have a whistle hissing sound your not going to sound like a lb7...... hpoe this help you out you need more info let me know

SICLILLY's Sig:

04.5 lly ppe pump,ppe shim kit,ppe egr false code shuteruper&blockoff,ppe sleeves ,gt4088r,banks cac with intake and scoop, fls2500 bypass oil filter,suncoast 3 with my not so favorite ats 5 star (not a bad choice just not the 1057),efi live-dsp5 tuned by me
ppe boost and pyro,4inch straight pipe to 6 inch stack with MR.Bruce's sick ass staxxclamp,3inch drop on mkw 20's with toyo proxis.a loud ass air horn to piss you off with

diamond eye turbo pipe, mbrp downpipe (cat delete), 5" mbrp out the back with no muffler.

LarryJewell's Sig:

2004 LLY
71.5mm Cheetah
5" MBRP
Suncoast by Mike L.
FASS 150/150
No EGR
Cal-tracs
EFI by Team Salad
duramaxdiesels.com


jrjr@suddenlinkmail.com

thanks for yawls advise. i will have to look into in all..

Getting rid of the cat should also help reduce your EGT's.

RodZZilla's Sig:

2005 K3500 CCLB. MBRP 5", PPE Hot+2, Retrax Tonneau Cover, N-Fab 6 Step Bars, Toyo 295/17's on 08 Chevy Aluminum Rims, Reese Signature Gooseneck.

Iowa Bombers

Straight pipe it into 8" stacks. Know that will add some noise to it.

Welcome, Matt!


Is yours getting stacks this year?

Probably. I am putting one in for sure come pulling season.

I might need something, too.