aFe MACH Force-Xp 409 Stainless Steel Muffler (49M00020) 5018 Optional Splitter Available

Optional Splitter Available

Individual 1/8" NPT Ports on the Top of Each Cylinder Runner for Nitrous or Meth Injection - Allows for Even Spray Distribution and Control for Maximum Performance and Engine Protection

Vehicle Application: Subaru 2015-2016 WRX STI 2

Progressive Bump Seal Design for a Perfect Fit and Sealing Surface Every Time

OEM plastic ABS charge pipes

aFe MACH Force-Xp 409 Stainless Steel Muffler (49M00020) 5018 Optional Splitter AvailableUniversal Mach Force XP 409 SS Oval Gray Exhaust Muffler (49M00020) by aFe. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 18". Muffler Sound: Aggressive Loud. Muffler Configuration: Center Offset. You'll get increased performance and improved throttle response when you install the aFe Universal Fit 409 Stainless Steel Performance Muffler. This muffler has a deep, throaty, powerful sound during acceleration but is smooth