Which  Exhaust System is  best for busa??

Hey Rubberside Down

You make this site worth logging onto! Please don't take another vaction from it!

Kent
 
If you drag race, 4 into 2 will not work with most aftermarket air shifter brackets (spencercycel.com) since they use the same area that the left side pipe would. 4 into 1 are lighter but the couple of pounds you save could be mad up by taking a healthy dump before racing, I range anywhere from 208 to 212 depending on my diet that day.
 
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