300ZX (Z31) Forums Dedicated to 84-89 ZCars otherwize known as the Z31's

Questions about air filter and exhaust

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Old Mar 12, 2012 | 11:38 PM
  #1  
kd0's Avatar
kd0
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Questions about air filter and exhaust

hi, i was wondering if someone knew the dimensions for the air intake hose, or what size intake air filter would fit where the stock air box is, one dude told me a K&N style spectre one would fit, but which one is it? the P5?

Car is a 85 Turbo z31

do any of you know which filter or what sizes i need to fit a cone style filter in place of the airbox? (model/make air filter/website url to store?)

also, what size (length, diameter, flanged?) downturn directional pipe would i need for a down pipe? Any links to one for purchase would be helpful or is it something that needs to be custom made?

Thanks for any and all information
Old Mar 13, 2012 | 07:45 PM
  #2  
noboosts130's Avatar
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Joined: Dec 2009
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From: Lafayette, LA
Intake:
http://www.thezstore.com/page/TZS/PROD/PFFC13/11-2934

Downpipe:
http://www.cmperformanceexhaust.com/...-systems/z-136
Old Mar 14, 2012 | 12:43 AM
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Posts: 1,396
From: Phoenix, Arizona
http://z31.com/mods/kn.shtml
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