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-   01-04 Duramax LB7 Tech Articles (https://www.dieselbombers.com/01-04-duramax-lb7-tech-articles/)
-   -   LB7 intake box mod (https://www.dieselbombers.com/01-04-duramax-lb7-tech-articles/15850-lb7-intake-box-mod.html)

2500HeavyDuty 04-26-2009 05:15 PM


Originally Posted by shadesofsisyphus (Post 329767)
YEah, but I suck with a grinder.... and not willing to f*%k the horn up. Although I think there is a guy on another forum that will do a swap for the stock with a modded horn for a few bucks.... Nice little side job to make a few bucks...

Geoff


i got mine from superdiesel ;)

K50 04-26-2009 09:44 PM


Originally Posted by shadesofsisyphus (Post 329355)
Get a 2" test plug from the hardware store.

Pull off the resonator box and plug the tube going into it.

Make sure to use a lock nut or locktite to keep that damn thing in there right, dont want that plug/wing nut/washer falling loose

then shove the resonator box back on and tighten the clamp back up.

As long as you have a straight pipe this sounds f'ing SICK!!!!

The spool up is nice but the lb7's stop roaring soon as you let off the throttle so the whistle lasts a while and sounds WAY better than any other engine.

Geoff

I'm totally doing that this summer. :U:

chevyburnout1 05-04-2009 06:40 PM

That intake air horn mod was seriously one of the best cheap mods I've done. I've had so many people ask me what kind of turbo (aftermarket) I was running :5:

uwyo_dmax 05-04-2009 06:46 PM

really is it that much louder?

2500HeavyDuty 05-05-2009 12:50 AM


Originally Posted by uwyo_dmax (Post 333585)
really is it that much louder?

ever put a K&N on a gas truck before?

kinda more sound you get with the horn plus turbo whine. kinda wish i didnt sell my afe cause it was loud aa hell with the afe before i switched back to stock.

K50 05-05-2009 11:24 AM

Is there a custom intake tube available like the ones for the Afe intakes that still hooks to the stock air filter? I like the stock filtration system, but I want some mad turbo whistle.

The plug idea is alright, but it's incredibly dry where I live, and the temp goes from 32-65 regularly, so I'm worried about it cracking and falling apart.

chevyburnout1 05-05-2009 06:52 PM


Originally Posted by uwyo_dmax (Post 333585)
really is it that much louder?

Definantly more louder. However I have an open element K&N which probably helps. The turbo noise seriously echos off walls and buildings now plus low boost (<10psi) is maybe two times louder. I didn't believe it at all but everyone that rides in my truck with the windows down always mentions something.

2500HeavyDuty 05-06-2009 12:42 AM


Originally Posted by chevyburnout1 (Post 333955)
Definantly more louder. However I have an open element K&N which probably helps. The turbo noise seriously echos off walls and buildings now plus low boost (<10psi) is maybe two times louder. I didn't believe it at all but everyone that rides in my truck with the windows down always mentions something.


i almost forgot how it sounds like its been too long :argh:

uwyo_dmax 05-06-2009 09:20 AM

hows it coming almost got it done? I'm starting to know how it feels, they havent even ordered parts for mine yet. :argh:

I'm going to have to get this done though maybe i'll steal the horn of it while its sitting at the dealer :humm:

firecapt870 05-08-2009 11:00 PM

danny what does the ball valve do if i can ask:humm:


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