Is the sound different. What exactly is the difference. More hp?

 

Cat back takes out the secondary cats which frees up horsepower..axle back eguals waste of money

 

Rear section is just a replacement for the mufflers we have and retains the midpipes which is pretty much a single pipe.

The Borla catback is a true dual replacement and yields much more power due to the removal of cats and piping size/efficiency.

Borla rear section is slightly louder than stock. Borla full exhaust is a few steps above the rear section but IMO still quiet.

 

Come to the NELOC meet tomorrow.. Arthur's steakhouse in North Brunswick @ 12pm... there is one guy who has Borla, he'll be there.

 

Look here:

http://www.borla.com/products/isf_20...rt__12656.html

and here:

http://www.borla.com/products/isf_20...rt__11765.html

Lou

 

Axle back removes the crushed Y pipe. Source, I have one.

After that its just a noise maker.