Installed a custom made straight through 3" aluminum exhaust. Weight of exhaust is a puny 7 lbs. Sounds really loud and mean, but personally tolerable. Here's some pics...

 

Here's a couple more...

 

Why did you go with aluminum. That will be so loud with a testpipe... which would yield more benefit than the CBE.

 

wow 7lbs thats pretty cool

 

Nice work. I've wondered why we don't see more aluminum exhausts considering the weight advantage.

 

Durability is most likely a concern

 

any exhaust clips?

 

I like it, very nice...and if it has problems, it looks like he knows how to build a new one

 

The second you bottom out that exhaust is going to crush like a paper bag

 

u going to post sound clips? i wonder what this sounds like

 

Aluminum expands with heat that high.

 

Very nice! I've been running a 4" aluminum exhaust on my car (not an evoX) for about a year now, I made an aluminum canister that brought the dB's down a bit as well. Gotta love an exhaust that weighs less than 10 lbs!

Marshall

 

That is a very nice DIY mod.

 

heat wont be a problem since its far away from turbo.the turbo absorbs most of the heat.i would do it from with a steel downpipe and the rest aluminum.

 

crazy..i was running a full start pipe sounded crazyyy