when i did my setup it was louder than ever sounded kinda like a turbo. but i'm also using a race only filter. it's not cotton like k&n and others its a very very thin screen mesh filters that u get at autozone for $34. name powerflow. it got alot quiter though when i took the restriction out of the intake plenum, the indents that were in them are gone. it sucks a ton of air now.
balanced & blueprinted block. by my dad & I @ (The Engine Shop INC.) i'm running manley forged i beam rods, forged manely .020 16cc dish pistons, forged 8 bolt crankshaft thats been polished, corba high volume oil pump, block has been align bored & decked. ported and polished early production heads, heads have been milled, 3 angle valve grind, ported exhaust manifolds, gasket matched intake, dual inlet dual outlet dynomax turbo muffler underseat with 3inch turndowns. transmission heavy duty clutches, b&m shift kit, frrp t lock with 373.
pi swap with some comp cams and the new trickflow intake, high stall torque converter and mark 8 drive shaft, kooks 3/4 lenth headers and xcal2