SKU: 15408978326

2012-2015 Honda Civic Si RBC/RRC Intake Manifold Adapter Flange w/Hardware

$76.49 $84.99
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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1

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Description

2012-2015 Honda Civic Si RBC/RRC Intake Manifold Adapter Flange w/HardwareFits all 2012 2015 Civic Si Fits 2013 2015 Acura ILX 2. 4L Fits 2009 2014 Acura TSX 2. 4L Fits 2008 2012 Accord 2. 4L Fits all variant models including 6MT, RHD, International Models, Etc. Overview K24Z with RBC RRC Bolt Pattern Intake Manifold K24Z1, K24Z2, K24Z3, K24Z4, K24Z5, K24Z6, K24Z7 Technical Notes: It's no secret that Honda's RRC and RBC intake manifolds are some of the best flowing intake manifolds available from Honda for the K Series

Fits all 2012-2015 Civic Si
Fits 2013-2015 Acura ILX 2.4L
Fits 2009-2014 Acura TSX 2.4L
Fits 2008-2012 Accord 2.4L

Fits all variant models including 6MT, RHD, International Models, Etc.

Overview

K24Z with RBC / RRC Bolt Pattern Intake Manifold
K24Z1, K24Z2, K24Z3, K24Z4, K24Z5, K24Z6, K24Z7

Technical Notes:

It's no secret that Honda's RRC and RBC intake manifolds are some of the best flowing intake manifolds available from Honda for the K-Series engine. RBC and RRC manifold swaps are a popular solution for engines equipped with less desirable intake manifolds like the 2012 - 2015 9th Gen Honda Civic Si, 2013 - 2015 Acura ILX, 2009 - 2014 Acura TSX or 2008 - 2012 Honda Accord. This manifold swap requires an intake manifold adapter to properly route coolant ports and seal vacuum ports. Our billet intake manifold adapter kit seamlessly adapts both the intake manifold and DBW or drive-by-wire throttle body to the intake manifold.

RBC intake manifold requires injector boring to the manifold itself to utilize factory diameter 9th Gen Civic Si injectors, otherwise standard K-Series (8th Gen Civic Si) style injectors must be used. Acura RDX injectors are also a popular solution. We also recommend port matching the intake manifold plenum for 70mm ZDX / MDX applications for optimal performance.

Vehicles Equipped With RBC / RRC Intake Manifolds Require RBC / RRC Specific Intake Systems

Kit Includes:

  • (1) PRL Motorsports Intake Manifold Adapter Flange
  • (1) 3/8" BSPT Plug (Idle Air Assist)
  • (1) Size 120 O-Ring
  • (1) Size 124 O-Ring
  • (4) Size 140 O-Rings
  • (4) Size 142 O-Rings
  • (2) 5/16" Coolant Hoses
  • (2) M8 x 45mm Studs
  • (6) M8 x 35mm Flange Bolts
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 15408978326

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SC6218
Boise, US
★★★★★ 5
Actually works, and really well
Color: Original Grey
I bought these because I got them on a great deal and was quite skeptical, but they actually worked exactly as advertised and I saw a huge difference after the first night! I understand why they don’t cover the whole foot like a regular sock (it would be stifling), but it would be incredible if they made a pair that go forward enough to cover the ball of the foot. One pair lasted about 3 weeks before the moisturizer wore out (I did notice a dropoff after washing, so for best results put them on when you’re clean and just for overnight, so you can avoid washing). Apologies for no photos- no one wants to see the before photos. These work so well I’ve just come back to order more even though I’m now paying full price. Definitely, definitely recommend.
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Reviewed in the United States on May 28, 2026
L
Verified Purchase
Liana
Charlottesville, US
★★★★★ 5
Comfortably and works
Color: Original Grey
❤️ I used these with magnesium lotion on my heals for 3 nights, soaked my feet every morning and cracked heals are gone!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
T
Verified Purchase
T. U.
Los Angeles, US
★★★★★ 5
A game changer for deep heel cracks and psoriasis!
Color: Original Grey, Color: Original Grey
If you have deep cracks or psoriasis on your heels, get these they are a total game changer! They hold in Vaseline and topical meds perfectly while I sleep, providing much needed relief without getting all over my sheets. My heels are healing faster and my callouses are softer and don’t split open because the moisture is trapped against the skin all night with the built in gel cushion lining instead of rubbing off. So much hydration. The fact that it is a 2 pack is perfect because while one pair is being washed and drying, you still have a set to wear. Very soft, stretchy, breathable, and easy to sleep in. I highly recommend them!
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Reviewed in the United States on January 31, 2026
J
Verified Purchase
James P McMahon
Chelsea, US
★★★★★ 5
Great item!!
Color: Original Grey
These socks actually work!!! No more split skin on my heels!!
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Reviewed in the United States on May 9, 2026
P
Verified Purchase
Paula S
Belleville, US
★★★★★ 3
Quality and Price
Color: Original Grey
For me a little tight on my ankles
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026

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