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MrC1 · 02-09-2006, 08:23 PM

anyone know what the minimum diameter is on 2.5" pipe vs. the 3.35" stuff with crimp-bends? I know it can't be the same 'cause I've seen pretty good differences in flow when swapping up to regular old 2.5" pipe. Just wonder how much difference there is in diamete at the bends. For that matter, what about 3" pipe with crimp-bends?

I'm thinkin I'll probably just go with 2.5" standard pipes when I upgrade to headers. It's not like my 402 is going to be spinning that many RPMs anyway, even if I do some mild engine upgrades.

02-09-2006, 08:23 PM	#32
MrC1 Dork For Days Join Date: Aug 2005 Location: Dallas Posts: 407	Re: New - Magnaflow Exhaust Kit anyone know what the minimum diameter is on 2.5" pipe vs. the 3.35" stuff with crimp-bends? I know it can't be the same 'cause I've seen pretty good differences in flow when swapping up to regular old 2.5" pipe. Just wonder how much difference there is in diamete at the bends. For that matter, what about 3" pipe with crimp-bends? I'm thinkin I'll probably just go with 2.5" standard pipes when I upgrade to headers. It's not like my 402 is going to be spinning that many RPMs anyway, even if I do some mild engine upgrades. __________________ 1972 C20, 402/700R4 - My first classic truck, bought in September 2005. 85% transformed from "Farm" to "Cool" status! 1970 Dodge Challenger 440, 4sp (my other toy) 12.67 @ 117 MPH, with a pathetic 2.022 60' 2007 Dodge Charger SRT-8 2008 Cadillac CTS All-American garage, baby!