p2r manifold spacer

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Old 08-27-2014, 04:54 PM
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p2r manifold spacer

anyone use this? any benefits or gains? or another worthless mod?
Old 08-27-2014, 05:08 PM
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you'll see a itty bitty torque increase!


Originally Posted by thisaznboi88
Looking at 5 and up to 10 wtq on the powerband. At the cost of 1-2 HP. I'll share the dyno pix once I get the PC up and running again.

as promised. This is from an accord v6 6spd. TL will probably see similar if not more power.

ALL credit goes to Cubanob247

I also want to correct myself. You lose top end tq and a few top end HP. You gain midrange HP and gain low-mid range tq



Last edited by justnspace; 08-27-2014 at 05:12 PM.
Old 08-27-2014, 05:18 PM
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the spacer pictured above is actually from the MDX. the MDX came stock with these.

I believe the p2r space is only 1 inch thick.
Old 08-27-2014, 07:54 PM
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Could there be a better difference since the p2r is smaller?
Old 08-27-2014, 08:19 PM
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What does a space do in terms of performance ?
Old 08-28-2014, 07:58 AM
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Originally Posted by 3000vr4tt
Could there be a better difference since the p2r is smaller?
you would get less gains from a smaller spacer.


Edward, you'd gain a little bit of torque in the mid-range part of the tach.
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Old 08-28-2014, 08:20 AM
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waste of money if you ask me. I had it on my accord and could not tell a difference.
Old 08-28-2014, 07:24 PM
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Originally Posted by justnspace
you would get less gains from a smaller spacer.


Edward, you'd gain a little bit of torque in the mid-range part of the tach.
How does ^ work ?
Old 08-29-2014, 06:39 AM
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any air tuning is done in the intake manifold and not before it, thus why throttle spacers dont do anything.

however, the intake manifold spacer goes after the intake manifold!

throttle body --> Intake manifold --> intake manifold spacer --> injector runners --> heads.

the spacer most likely aids in air tuning by creating more volume before it enters the cylinders.
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Old 08-31-2014, 10:42 PM
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It effectively makes the individual runners longer. Do a internet search on intake runner length tuning. What year MDX had a stock spacer?
Old 08-31-2014, 10:49 PM
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all of them
Old 08-31-2014, 11:01 PM
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The MDX spacer is a little tight for an Accord, TSX, or TL.
https://acurazine.com/forums/2g-tl-1999-2003-98/diy-mdx-pilot-odyssey-spacer-install-749688/
Old 09-01-2014, 07:02 PM
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i installed p2r with 2 gaskets on my cls6 and it made a huge difference. more than headers did. would definitely buy again.
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