FOR SALE: 2011-14 Boss 302 Mustang GT Kooks cat bypass

97tc

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NOS Kooks cat bypass for track use. These are a drop in fit for 2011-2014 Mustang GT’s and Boss 302’s. 3”. In addition I had these ceramic coated for looks, lower under hood temp and more HP. These are nicely polished. $675 shipped. CONUS
 

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Last edited:

robvas

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These are for stock manifolds, right? Not Kooks LT's?
 

97tc

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Correct these bolt to factory headers/manifolds. Although I think they work with the KOOKS 1 7/8" Super Street shorts. There is a dyno test if you Google it.
The beauty of them is you can cat delete, (for the track), without modifications to the stock exhaust and then put your cats back plus you have O2 bungs for diodes or tuning.
These are exceedingly hard to come by as they have been out of production for years. I bought these for my 13LS had them coated along with a set of super street shortys.
Pictured last is a set of kooks cat deletes for Mustang. $761.00 plus tax and shipping. No ceramic coating either. Not sure if they are a full 3" mandrel bent like my set
 

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97tc

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Here's the article
 

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97tc

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Kooks cat deletes
 

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