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PracWorks K20C1 Intake Manifold (Matte) – FK2 / FK8 / FL5 / DE5

Pre-Order
Regular price $1,750.00
Product INFO
  • Vendor PracWorks
  • SKU PW-HXN00-MAT-RED-PIN-TBS66
Anodized Color
Port Injection
Throttle Body Flange
Pre-Order
Ships when available
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Returns accepted within 30 days of purchase

PracWorks Carbon K20C1 Intake Manifold for the Honda Civic Type R (FK2 / FK8 / FL5) and Accord (CV2). A full plug-and-play design — install it and feel close to a 10% increase in power from 3,500 rpm onwards, with no tuning, on a stock Honda Civic.

Matte carbon finish. This listing is the matte-finish build. Matte adds roughly 5-7 days to the lead time on top of the estimate below.

  • Designed for mid to high RPM power gains. Ideal for street/track application
  • Dyno tested to make 25-30hp more midrange and 10-15hp more at peak power on a stock car
  • Long runners harness resonance tuning, which the stock Honda intake manifold lacks
  • 2.665L plenum volume
  • Safe for boost up to 70psi
  • Retains stock Honda K20C1 throttle body bolt pattern and location
  • Compatible with +2mm oversized throttle body. Throttle flange inlet size 66mm
  • Optional throttle body flange upgrade: oversized stock TB (74mm) or Bosch DBW (74mm)
  • Direct plug and play. Installation time approximately 4 hours
  • Fits left- and right-hand-drive cars
  • Prepreg carbon fibre construction with billet 6061-T6 flanges
  • Minimises heat soak — carbon fibre is 40 times less thermally conductive than aluminium
  • Comes with vacuum fittings similar in size to the stock Honda manifold
  • Intake manifold weight: 3kg

Back-to-back dyno comparison was done on the same dyno a day apart. The test car was a bone-stock Honda FK8 with only a Blitz muffler.

Port injection. For cars requiring more fuel than the direct injection system can support, the port injection option uses K20A injectors, which are widely available in a range of flow rates. It also includes a PracWorks billet fuel rail with -8ORB on both ends and an M14x1.5 centre hole, plus four injector blanking plugs for cars that only need port injection later on.

Please note. The oversized stock TB flange (74mm) does not have an O-ring groove for the Honda OEM O-ring gasket — there is insufficient material left after boring the centre out to 74mm. A paper gasket (not supplied) must be used.

Honda Accord CV2 (K20C4). This manifold is plug-and-play on a CV2 with the additional Accord CV2 Upgrade Kit, which consists of a MAP sensor adapter, a MAP sensor wiring harness extension and a vacuum plug. Water/methanol injection: PracWorks can also drill 4 x 1/8" NPT holes and supply four allen-key plugs. Neither option is selectable above — contact SBX Performance before ordering and we will add it to your build.

Made to order — available for pre-order. PracWorks builds every manifold to order in dry carbon. Current build time is approximately 2-3 weeks before the part ships, and a custom anodised colour adds a further 5-7 days. Ordering here reserves your place in the build queue; SBX Performance will confirm the current lead time by email after your order.

Questions about fitment or options? Contact SBX Performance before ordering.