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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
7075-T6 billet aluminium construction reduces rotational inertia
Each unit is hand-assembled by Spoon�s master technicians using 100% brand new genuine Honda parts
Our stainless steel flanges are designed explicitly with fabricators in mind and are less vulnerable to warping
Replacement discs are a minefield: cheap pattern parts that warp
Fujitsubo A-R Exhaust - Subaru Legacy B4 BM9/BMG 51220-SNA-A03 Drop-In cams are indeed drop-inEstablished 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.
