Borla XR1 race mufflers...
Borla XR1 race mufflers... I might be able to get a good deal on some Borla XR1's. Seems like alot of people use them when they go true duals. I am going to a MADMAN torque arm setup which requires that I ditch my catback. I will probably set this up so the exhaust dumps before the rear somehow...with dual cutouts and a mounting setup that allows me to pull this off the car easy for racing.
How do these actually sound? Right now I run a mild heads/cam package....soon enought I'm going to a 427 (once I finish putting it together). I usually run around town with my cutout either open all the way, or only halfway open, so noise isn't a factor.
Thanks
Conrad
How do these actually sound? Right now I run a mild heads/cam package....soon enought I'm going to a 427 (once I finish putting it together). I usually run around town with my cutout either open all the way, or only halfway open, so noise isn't a factor.
Thanks
Conrad
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Originally Posted by 99MONGOOSE
I thought ground clearance was an issue on the driver's side if the BORLA XR1 is used. The passenger's side is ok because it has the allocation for the exhaust on that side.
Originally Posted by dug
Is there anything special about borlas that make them sound better than other straight through mufflers?
I am planning to add an XR-1 to the I-pipe of my GMMG when I switch to an ORY. With regard to fit and ground clearance, which XR-1 is everyone using? The 5" round or the oval? I have asked this question before and haven't gotten a solid answer.
I have heard of people using oval or the round muffler. The ones I have heard usin the oval muffler used the offset i/o on the same side. This muffler is much more expensive than the round one.
Originally Posted by dug
I have heard of people using oval or the round muffler. The ones I have heard usin the oval muffler used the offset i/o on the same side. This muffler is much more expensive than the round one.
It's more than twice as much!...but if it works better than the standard oval or round, I guess I'm going to have to bite the bullet! Any other thoughts or opinions on this?? 
Originally Posted by LawmanSS
I am planning to add an XR-1 to the I-pipe of my GMMG when I switch to an ORY. With regard to fit and ground clearance, which XR-1 is everyone using? The 5" round or the oval? I have asked this question before and haven't gotten a solid answer.
Flow will be like this:
QTP Headers---> QTP Catted Y-Pipe---->XR-1 round---->GMMG--->rustang's face
Can't wait to test it!! Without the XR-1 (as it is right now) = annoying drone.
Originally Posted by LawmanSS
It's more than twice as much!...but if it works better than the standard oval or round, I guess I'm going to have to bite the bullet! Any other thoughts or opinions on this??
I imagine 2 XR-1 in a true dual configuration would sound awesome! I love the sound of my (single XR-1) Borlamouth. Here is a post where I put some sounds of it.
https://ls1tech.com/forums/generation-iii-external-engine/369021-how-reduce-my-exhaust-sounds.html
Also I don't think you need a cutouts as the Borla is a straigh through muffler. I really doubt that you would gain any power. And the sound will still be loud yet more refined than having the cutout's open. Here is a pict from another post.
https://ls1tech.com/forums/generation-iii-external-engine/369021-how-reduce-my-exhaust-sounds.html
Also I don't think you need a cutouts as the Borla is a straigh through muffler. I really doubt that you would gain any power. And the sound will still be loud yet more refined than having the cutout's open. Here is a pict from another post.
