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ARH Mustang 5.0L BOSS 302 Long System (2012-2014)

Part Number: 613 MTB5-12

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The American Racing Headers Long System for the 2012 to 2014 5.0L Boss Mustang takes this car's amazing road course performance to another level. ARH's Long System provides substantial performance benefits and allows you to keep the Boss side pipes. Available in 1-3/4", 1-7/8" and 2" primaries. Expect 28 RWHP gains before tuning and great sound. 


ALL American Racing Headers Exhaust Systems are for OFF-ROAD use only.


Product Benefits:


  • 100% Made in the USA - Never Outsourced
  • Made entirely of 304 stainless steel
  • 3/8" thick laser-cut flanges for a warp-free seal
  • Hand-ported TIG welded inlets
  • Optimized primary tube routing for superior fit and performance
  • Merge collectors complete with welded scavenger spikes
  • Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability


CA Residents: Cancer and Reproductive Harm WARNING www.p65warnings.ca.gov.

Fitment & Features


Manufacturer: American Racing Headers

Vehicle Fitment:

Fits Model Year: 2012, 2013, 2014
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