your down pipe is only 2.5''? i am considering changing my exhaust to a 3'' but i dont want to spend the extra $$$ if it wont help. do i need bigger down pipes? heres mods in progress: Pistons Swain Coated Weisco Pistons .88 Eagle H-beam Connecting Rods JWT 700BB Turbos SS Oil lines JWT #500 Upgraded Cams JUN adjustable intake cam gears JUN adjustable exhaust cam gears JWT HD Valve Springs Inconel Exhaust Manifolds Super Split Downpipes 2.5" SS Test Pipes 2.5 jwt exhaust NGK Copper spark plugs PE 850 Fuel Injectors Block oil passages cleaned Block water passage bored out Block Bored and Honed Crank balanced and hardened Harder bearings and rings ARP Rod Studs ARP Main and Head studs Ported exhaust and intake runners to gasket specs 5 angle valve job New Valve stem seals Cometic Head gaskets ford c4 tranny aem stand alone nos (maybe if needed) etc......
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is it pointless to go 3'' exhaust (catback test pipe) if - moreboost12:14:40 10/20/06