LS3 rear exit exhaust with cats - pics?

[PeteB]

Anyone have some pictures of a LS3 with rear exit exhaust and catalytic converters you could share? I'm trying to figure out how to lay out my exhaust and could use some ideas.

Thanks!

 

[mahlon]

Pete I have the ls-376 with grazziano, somone else asked me the same question and I cant find the e-mail. I will do my best to take pictures and post them when I get back tommorow. We ended up running the stock ls-7 manifolds with cats a moroso racing muffler and a stainless 4'' tip out the back. I had to move some of RCR's stuff around to get the room but with that the system can be installed or removed with relative ease...mahlon

 

[Allan]

The mufflers could be larger in diameter and still fit.

 

[PeteB]

Allan,

Do you have any pics of the header area?

 

[Tony Eupizi]

Mahlon, I also would like some pictures. I have the same powertrain configuration and I am planning to run the exhaust out the rear. Thanks

 

[Peter]

Couple pictures of how I did it - sorry for the poor quality these were all I could find. LS7 manifolds, corvette cats., DBX mufflers In the close up picture, you can see a heat shield over the top of the cats. The system is in 3 pieces, manifold/pipe/cat on the left and right are pieces 1&2 and the mufflers/tailpipe are the third section.

 

[Bill]

I can vouch for Peter's exhaust. It look and sounds really good!:shocked:

 

[Dave Nugent]

Peter can we see a pic of the rear of your car? Did you just cutout a slot on the diffuser for the exhaust exit point?

 

[Dave Forster]

Mahlon,

It looks like you removed the heim joints that support the rear of the transmission. Is this the case? If so, how are you supporting the weight of the transmission at the back end? (I'm getting an error message when I try to download the larger version of your pictures)

 

[PeteB]

Mahlon,

It looks like you removed the heim joints that support the rear of the transmission. Is this the case? If so, how are you supporting the weight of the transmission at the back end? (I'm getting an error message when I try to download the larger version of your pictures)

He didn't post any pictures :huh:

 

[Peter]

Sorry for the delay responding. Couple of pics of the exhaust exiting the bodywork. I still need to design and fabricate some king of trim ring. Any ideas/suggestions would be appreciated!

 

[Dave Forster]

Oops - sorry, I meant "Allan".

 

[Dave Forster]

Hi Peter,

I have used Front Panel Express:*Front Panel Design Software and CAD Conversion Service
for both instrument panels and things like trim rings. Depending on the size of the piece, they can be pretty competitive, but you can't beat the convenience of being able to design what you want on your own computer, choose the desired finish, press a button and like magic, it shows up at your door a couple of weeks later.