40 Series Muffler 2.50in Center In 2.5 Offset Out Lug Bolts The design reduces overall weight

The design reduces overall weight as well and ships without tips so that it may attach to the stock tips giving a stock look

- 20% increase in spring stiffness in front and rear

Dinan's lightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13 percent

Collector Reducer - Female / Male - 3 in Inlet to 3 in Outlet - 2-Bolt Ball Flange - Steel - Natural - Kit

and no downside by upgrading to the Dinan High-Performance Intercoolers for the N63 twin-turbo V8

40 Series Muffler 2.50in Center In 2.5 Offset Out Lug Bolts The design reduces overall weightMuffler Original 40 Series 2. 5 in Center Inlet 2. 5 in Offset Outlet 13 x 9. 5 x 4 in Oval Body 19. 28 in Long Steel Black Paint Universal Each