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[maineultraclassic]

Well the info I have is from AMS in Dallas, TX...........they are the largest reseller of D&D exhaust since they are right down the street from them. They sell the full exhaust with quiet baffle for $605 + delivery, or with standard baffle for $545 + delivery. That is the only 2 options they offer, there is no performance baffle..........just the standard and quiet. The Borzilla is a completely different animal, it will kill your low end torque on anything less then a 114" build or larger......it was designed and tested for just that application. All Fatcats have the equal length headers, stepped headers, and are top notch quality compared to anything else.

There are different models for the 07's since there are some differences in the tranny mounts and some of the bends to accomidate the different size of the tranny. But all the pre '07 models are the same and also have the o2 sensors installed in them now.

Steve

[Hoist!]

Well the info I have is from AMS in Dallas, TX...........they are the largest reseller of D&D exhaust since they are right down the street from them. They sell the full exhaust with quiet baffle for $605 + delivery, or with standard baffle for $545 + delivery. That is the only 2 options they offer, there is no performance baffle..........just the standard and quiet. The Borzilla is a completely different animal, it will kill your low end torque on anything less then a 114" build or larger......it was designed and tested for just that application. All Fatcats have the equal length headers, stepped headers, and are top notch quality compared to anything else.

There are different models for the 07's since there are some differences in the tranny mounts and some of the bends to accomidate the different size of the tranny. But all the pre '07 models are the same and also have the o2 sensors installed in them now.

Steve

Per the D&D Website, the Fatcats (502-32B) are 1-3/4" stepped up to 1-7/8" headpipes. The Borzillas (505-32B) are 1-7/8" stepped up to 2" headpipes. That means the muffler sizes are different too. The Fatcats have a performance (called Big-Bore) muffler option, besides the standard muffler. And both Fatcat mufflers have the quiet FG packing option. The Borzillas are a different model entirely. Hoist!

[skyglide]

Howie, Good choice on the D&D system. You have the correct part#s You will love the sound and pick up some great tourqe #s I had to go with the FG option as the standard muffler was way to loud at 65 mph on up. And another great thing about the two into one is no heat on your left thigh and I do not seem to see a great deal on my right basing off my old set of Reinharts.

Good luck with your build.

[Hoist!]

Howie, Good choice on the D&D system. You have the correct part#s You will love the sound and pick up some great tourqe #s I had to go with the FG option as the standard muffler was way to loud at 65 mph on up. And another great thing about the two into one is no heat on your left thigh and I do not seem to see a great deal on my right basing off my old set of Reinharts.

Good luck with your build.

Thanks Sky, and from everything I've heard, they'll make great numbers and good low end TQ too. I'm looking forward to them. I just hope the Performance ones don't wind up too loud for me, even w/the FG packing. Hoist!