Any way you can modify that tube or improve it so the air flows alot better?

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86 firebird 2.8
K&N replacement filter
modified air box
MSD ignitor
Hooker cat back
GNX style wheels

 

Y not just take it off? replace the whole in-the-way cleaner assembly with an open element? That was the first thing I did with mine - what a difference! You can probably find and Edelbrock or K&N at your local parts store for under $50 (14x3"), including filter.

I guess you'd have to give up your investment in the old K&N filter, tho.

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Joel Geerling
Red 91 Formula, 305 TBI
Edelbrock 14x3 open element
TBI 1/2" spacer
Hypertech street chip
Crank/Alt Pulleys
*
Exhaust is next!

 

wait i dont understand, do you mean attatch the air filter directly to the throttle body?

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86 firebird 2.8
K&N replacement filter
modified air box
MSD ignitor
Hooker cat back
GNX style wheels

 

His car is multi point injection and his air ducting is like that of a TPI set up.So a 14x3 element will not work,only on a carb set up.The only mod I can suggest is to get a cone filter from K&N and attach it to the ducting with a small piece of pcv pipe(remove stock air box assembly).I did this on my 86 TPI T/A with no troubles.You might be able to use 88 and up GTA ducting which is much more straight shot to motor,also done on my T/A.I paid about $40 through GM for the GTA ducting,and around $30 for the filter,also looked alot better than the 86 air ducting.

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1982 Z28:355,4 Speed,Lots of bolt ons