so Im going SR... - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

tt99ol · 11-19-2007, 09:34 PM

if you want to change your turbo to manifold gasket once a month, then by all means use an exhaust that is less than 3" but if you want faster spool, ~10 psi w/out a boost controller of any kind, better fuel economy, and a nice exhaust note then i would suggest getting a turbo back exhaust, ive been through a few turbo to manifold gaskets myself, with a custom mandrel bent 2.5" exhaust and none with a 3" so thats my take on it, more pro's then con's

11-19-2007, 09:34 PM	#23
tt99ol Zilvia Addict Join Date: Jan 2005 Location: quartz hill CA Age: 38 Posts: 644 Trader Rating: (8) Feedback Score: 8 reviews	if you want to change your turbo to manifold gasket once a month, then by all means use an exhaust that is less than 3" but if you want faster spool, ~10 psi w/out a boost controller of any kind, better fuel economy, and a nice exhaust note then i would suggest getting a turbo back exhaust, ive been through a few turbo to manifold gaskets myself, with a custom mandrel bent 2.5" exhaust and none with a 3" so thats my take on it, more pro's then con's