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Old 04-30-2015, 12:48 PM   #1
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Originally Posted by KRAM36 View Post
987 air box with K&N air filter, 996 76mm TB and 997 Distribution T. I know this mod gave my 3.2L a 20 HP bump. This engine loves more. Doing the mods yourself should be around $250 max. This makes a $200 Under Drive Pulley 5 HP look silly.

EDIT: Maybe $300 for the air intake upgrade. I forgot to add in some extra pieces you'll need and the silicone couplers.

Next on my list is headers, secondary cat delete pipes and Borla muffler.
Kram - have you detailed this mod on the forum anywhere? IE, picts, part numbers, install process, etc? Would love to see this - very interested in this mod myself...
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Old 04-30-2015, 02:18 PM   #2
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Originally Posted by Dlirium View Post
Kram - have you detailed this mod on the forum anywhere? IE, picts, part numbers, install process, etc? Would love to see this - very interested in this mod myself...
It's a nice Mod but you almost need the engine out to pull it off. I've seen some other cut off the outlet pipe and remount the original MAF in my opinion this defeats the purpose.







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Last edited by jsceash; 04-30-2015 at 02:30 PM. Reason: add Photos
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Old 04-30-2015, 04:39 PM   #3
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Bang for Buck mod

Kram, I would be interested too, what is the toughest part of this conversion? Did you need to pull the engine? This sounds better than the IPD conversion. 20 or so more ponies at a fraction of what they want sounds like a no brainer. I am new to the Porsche scene but do turn a wrench. I love these cars!
By the way, is this a pure safe swap without the need of a tune after? Thanks,

Last edited by Lapister; 04-30-2015 at 04:48 PM.
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Old 04-30-2015, 06:07 PM   #4
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Originally Posted by Dlirium View Post
Kram - have you detailed this mod on the forum anywhere? IE, picts, part numbers, install process, etc? Would love to see this - very interested in this mod myself...
These are the threads I got my info from. You don't need the motor out to do it. I can give you the part numbers, I'll need to look them up.

987 v 986 Air box

http://986forum.com/forums/general-discussions/31693-maf-throttle-body-diameter.html

Mine.



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Last edited by KRAM36; 04-30-2015 at 06:10 PM.
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Old 04-30-2015, 07:04 PM   #5
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I second Kram here, finished my TB/plenum swap couple weeks ago. The 2.7 gets places on the freeway now, very happy.

I will add that secondary cat deletes and exhaust (I did Beluga Racing - <$300 for the backbox, but still blows fiberglass), will give you a response/hp boost, and AWESOME sound. And that sound is awesome all the time. My brother used to DD this car completely stock, and when he drove it after the exhaust he felt it was just what it needed. Still quiet cruising, no need to yell on the freeway even with the top down.
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