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: 350 to 454 swap: exhaust going to bolt up? tacoma73 07-26-2008, 09:48 PM I may have to do a REALLY quick motor swap this week, only bugaboo is the exhaust: Eyeballing it, it looks close, but anyone know if the exhaust will just bolt up or am I going to need a new y-pipe setup? Frickin' 350 is dying quick. :( Grumpy_old_fart 07-26-2008, 10:50 PM it will not bolt up. tacoma73 07-27-2008, 12:33 PM *sigh* I knew I wouldn't get that lucky. Z71 Bob 07-31-2008, 09:19 AM a new y pipe is in order, but you can order one from the local parts house less than the muffler shop will build you one and it WILL bolt up to your converter Rebell Yell 07-31-2008, 07:57 PM none the less, assuming stock sized exhasut, it is too small for the bigblock. tacoma73 07-31-2008, 10:42 PM Never assume. :flipoff2: | |