I'm not honestly worried about the loudness of the exhaust. Just from research they seem to be quiet haha.

 

 

I've run the XR-1 with stock manifolds and cats, as well as with longtubes, and no cats, and they sound nothing like a stock truck. You are mis-informed.

 

So how loud are they?

 

from having read Arklight's review of manaackad x1, they are within the same loudness....So this are not the quiet go-to exhaust..

 

Equivalent to a Magnapack. The #40085 is even a hint louder than a #14419 Magnapack.

 

I just posted what I read... Being mis-informed by the Internet is a norm now and days.

 

Either way borla xr1s are the best sounding exhaust I heard (whiteroush's truck is what sold me on them.)

 

I wish I could have seen White Roush dyno vid but it seems to be gone. I did find his highway vid on YouTube and it didn't sound loud at all. I'm going to call Borla again tomorrow to confirm what I was told last week about the 18" XR1 being the way to go for a quiet exhaust with a deep powerful sound under accel. My other thought has been.to wait for the 2013 GT500 guys to start selling their stock mufflers.

 

Here you go man

 

Here's one of my set-up. Not the best camera but what can u do...

 

Sounds good man :beer:

 

DANGGGGG! gonna look sexy and sound even better!

 

Twinskrewed, borla told you there is a 18" xr1?
I remember seeing the 12", and 16" oval and then there is the round xr1...

 

Who knows what to believe