APEXi RS Evolution (Catback) GT/GR86/BRZ

The RS Evolution Extreme is based on the RS Evolution Muffler with the addition of full titanium tips. A Hybrid muffler uniting the power and free-flowing characteristics of our N1 Muffler with the quiet and discreet sound output of our Hybrid Megaphone Evolution Muffler. The RS Evolution Muffler is a combination of an A'PEXi original patented megaphone piping structure design and larger piping diameters to produce ultimate performance for your turbo-charged engine.

Piping diameter 

60mm

Tip Diameter 

123mm. x 2