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I have done the full Dynomat and the ATP treatment and is is well worth it. I have a 2006 Quad cab that is a solid 68 db at 70 mph. It is very comfortable to drive. Also no heating issues. I towed last weekend in 103 temps up and down 5% grades. Carl

EN Are those stationary measurements or are they at speed? I just finished soundproofing a friends Honda element. It really is a tin box. It was noisy enough that he could not listen to the radio a 75 mph on a rough section of highway. We spent 412. 0$ on Dynomat extreme and a couple...

Finally Finished. . Well I've done all the work I can stand on the 06 CTD Quad cab. Ended up 2db less than an 05 Dodge Magnum at 70 mph. Basically there is very little tire and road noise now at speed. A solid max db of 68/83. The car was 71/87. Mostly tire noise. Full throttle the...

ATP followup results. I installed the ATP valve cover and oilpan cover. The biggest difference was with the engine idling doors and windows closed. An additional two db for a total of 9bd lower on "A "scale and 13 db "b" scale over stock. 70 Mph went down another 1 db to a total of 5...

Lorenz springs are an 11 leaf where the stock is a five. The thinner leafs are more compliant. The rear of the truck will actually move now when you push down. Stock you hit the overload leaf in about an inch and the rate ramps up fast. Great for a heavy load but not so good empty. The Mr...

Are they taller because of more preload? Don't they still bottom at the same spot on the bumper pad or do you have a taller pad? If so will a 35" fit with the stock suspension?

I too just put on the new Dual purpose leafs and the 5100 shocks on a 2006. Jeff you said it "What a difference!". I'm very happy with Lorenz. . But now the front end feels like the weak link. The stock front is cushy and controllable with the improved shocks but it will bottom long before...

I'm afraid to add up the price. I made several trips to the local shop. I ended up using a bulk pak and a couple door kits. It would have been cheaper to do two bulk kits. The doors are what took up most of the material. I put a layer on the outer and inner panel. The doors generate most of...

The local stereo shop stocked only the "Extreme". It's not cheap but it does work. Stock stereo, I just like the luxury aspect of a quieter rig. It is a lot easier to talk at freeway speeds now. I was surprised to have it be quieter than the Avalanche. It has a very quiet engine till you rev...

Sorry, no pictures. The 06' had a dynamat style product already installed from the factory in several areas but in small sheets. For example the roof had four 8"x14" pieces and the floorboard had a 6"x10" on each side. The doors had nothing. There is a lot of heavy formed foam sheets over the...

Here are the results of Dynamating my 2006 Quad cab CTD 4wd. I used a Radioshack electronic readout DB meter on both the A and C range. I purchased the meter after I started the project so my stock truck numbers are based on a 06' Std. cab 4wd CTD. The testing was all done on the same day...