Borla Pro XS Mufflers

Editor’s Note: Use the table below to find the correct Borla ProXS configuration for your car or truck. Not sure which to choose? Follow links to check vehicle fit.

Center IN / Center OUT	Center IN / Dual OUT	Center IN / Offset OUT
40347: 2.00" IN / 2.00" OUT	40348: 2.50" IN / 2.50" OUT	40344: 2.00" IN / 2.00" OUT
40363: 2.25" IN / 2.25" OUT	400486: 3.00" IN / 2.25" OUT	40357: 2.25" IN / 2.25" OUT
40364: 2.50" IN / 2.50" OUT	40349: 3.00" IN / 2.50" OUT	40358: 2.50" IN / 2.50" OUT
		40359: 3.00" IN / 3.00" OUT
		400482: 3.00" IN / 3.00" OUT
Dual IN / Dual OUT	Offset IN / Offset OUT
400492: 2.25" IN / 2.25" OUT	400488: 2.00" IN / 2.00" OUT
400493: 2.50" IN / 2.50" OUT	400489: 2.25" IN / 2.25" OUT
	400490: 2.50" IN / 2.50" OUT
	400491: 3.00" IN / 3.00" OUT