Aftercooler System for MR Manifolds


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Aftercooler Kit for the high performance MercRacing supercharger Kits.

This provides excellent cooling capacity on a neat easy to install package.  Excellent long term like OEM or better reliability.  The cooling kit ensures repeatable performance and excellent temperature control never seen on any Honda supercharger kits.   The kit is required for the MR1900 and supercharger kits.   Not required but recommended for lower boost setups.  Cooling ensures the elimination of heat soak and continued power on hot days during stop/go and spirited driving.


  • High Performance Core
  • 2 pass heat exchanger
  • Bosh Pump with wire pigtail clip
  • High quality EPDM rubber hoses
  • All stainless clamps – will not rust
  • Fill container
  • Mounting bolts
  • High quality Gasket
  • Needed seals


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Frequently Asked Questions

What Size Belt Do I need for my K Series Supercharger Kit?

Civic Si 2006-2011 - Dayco 5070825 Civic Si 2012-2015 - Dayco 5070763 Acura RSX Type S - pending     *these sizes were tested with the MercRacing Adjustable Tensioner

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