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The Skunk2 Pro Series Intake Manifold for the Honda K20Z3 engine is engineered as a direct high-performance replacement for RBC-style intake manifolds. Designed to improve airflow, mid-range power, and peak horsepower, this manifold features an oversized plenum and large tapered runners—ideal for naturally aspirated and turbocharged setups alike.
Cast from aircraft-grade A356 aluminum, this one-piece manifold offers improved runner geometry, thicker walls for porting, and sits at a lower profile than the OEM RBC manifold—making it an excellent fit for tight engine bays such as EF/DA K-swaps. Every unit is vacuum tested and finished with a Skunk2 Pro Series nameplate for quality assurance.
Key Features:
Cast from high-strength A356 aircraft-grade aluminum
Oversized plenum with large, tapered runners for maximum airflow
72mm throttle body opening (can be ported to 76mm)
Enhanced runner entries improve air velocity and venturi effect
Compact design provides better hood clearance for engine swaps
Thicker runner walls allow aggressive porting
Direct bolt-on for OEM sensors and components
Ideal for both turbocharged and naturally aspirated builds
Recommended Upgrades:
Fuel Rail: Composite Fuel Rail (P/N 350-05-5015)
Throttle Bodies:
Alpha 70mm (P/N 309-05-1060)
Alpha 74mm (P/N 309-05-1070)
Sensors:
TPS Sensor (P/N 352-05-1410)
3-Bar MAP Sensor (P/N 352-05-1515)
4-Bar MAP Sensor (P/N 352-05-1500)
Thermal Gasket:
Intake Manifold Gasket (P/N 372-05-0370 – Skunk2 Pro Series only)
Vehicle Fitment:
Honda Civic Si (2006–2011) with K20Z3 engine
Included:
(1) Skunk2 Pro Series Intake Manifold
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.
As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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