aFe MACH Force-Xp 409 Stainless Steel Muffler (49-91010) FITMENT_JOURNEY The bulk of the power

The bulk of the power gains from the IPD Plenum begin around 4000 rpm

Expertly crafted for the ND MX-5 Miata

Replacement air filter part number X-1108-BR

Fully modular and interchangeable with our EVO15070 snorkel

Exhaust leaks seem to be an all-too-common issue with most modded Subarus

aFe MACH Force-Xp 409 Stainless Steel Muffler (49-91010) FITMENT_JOURNEY The bulk of the powerUniversal Mach Force XP 409 SS Oval Gray Exhaust Muffler (49 91010) by aFe. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 11". Muffler Sound: Aggressive Loud. Muffler Configuration: Center Center. 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