Fujitsubo A-R Exhaust - Subaru Legacy B4 BM9/BMG 51220-SNA-A03 [Springiness] An in-house coined term

[Springiness] An in-house coined term that expresses a natural feeling by separating the reaction force of the suspension arm that moves obediently around 1G from the reaction force of the bending tire

7075-T6 billet aluminium construction reduces rotational inertia

5" compared to a stock power steering pulley

Drop-In cams are indeed drop-in but proper installation (checking all critical clearances and degreeing) and tuning are still necessary and many times may be the difference in the numbers you will see

Fujitsubo A-R Exhaust - Subaru Legacy B4 BM9/BMG 51220-SNA-A03 [Springiness] An in-house coined termEstablished in 1931, Fujitsubo have been manufacturing exhausts in Japan for many years, providing them with the sort of experience thats required to craft some of the best exhausts on the market. A JDM brand in the purest sense, the quality, fitment and performance of their systems is second to none. Designed to offer more noise, improved performance and carry less weight than OE systems, the Authorize R is Fujitsubos current flagship exhaust system.