My roll racer 86 coupe,LME LSX 440,Twin billet 71's and a t56 magnum
#91
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
I have heard of a couple guys who are building 4"+ down-pipes and exhausts out of aluminum...can be cheaper in some cases over stainless and there can also be weight savings over steel....
#92
TECH Enthusiast
Thread Starter
iTrader: (5)
Join Date: Jul 2005
Posts: 629
Likes: 0
Received 0 Likes
on
0 Posts
![](https://ls1tech.com/forums/images/ranks/ls1tech10year.png)
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
Aluminum is definately up and coming in the exhaust world.