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Was watching GT racing and heard a term I'm not familiar with...

something to do with the exhaust headers i'd imagine....no idea what "closed" means though...interesting
 
That's what I thought... but they were talking about how someone else designs the headers, and then Borla makes them. I thought they were talking about the headers only, not the full exhaust system.
 
Originally posted by: Jeff7181
That's what I thought... but they were talking about how someone else designs the headers, and then Borla makes them. I thought they were talking about the headers only, not the full exhaust system.
Click to expand...
It also means that the headers must also be optimized to work with a full exhaust system. Most drag cars don't use mufflers so their headers are designed to be run open.
 
Originally posted by: Jeff7181
That's what I thought... but they were talking about how someone else designs the headers, and then Borla makes them. I thought they were talking about the headers only, not the full exhaust system.
Click to expand...

Borla makes mufflers.
 
Originally posted by: KLin
Originally posted by: Jeff7181
That's what I thought... but they were talking about how someone else designs the headers, and then Borla makes them. I thought they were talking about the headers only, not the full exhaust system.
Click to expand...

Borla makes mufflers.
Click to expand...

And headers and complete exhaust systems and CAT's. So?
 
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