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K-Tuned K24 Race Header - RSX / 02-05 Civic Si
Images courtesy of K-Tuned.

The goal with any performance header design, is to get exhaust gases to flow out of the engine faster and more efficiently, which in turn will produce more power and performance. The K-Tuned RSX Header was designed with this exact theory in mind and utilizes a proven 4-2-1 Tri-Y design with extremely smooth slip fit merge transitions to increase the exhaust flow and power output of the Honda K engine. Like most Tri-Y designs, power gains are seen almost everywhere in the power band, not just the top end. Fitment is equally if not more important to us than function and although the subrame and swaybar on the RSX presented some design challenges, the final fitment was definitely worth some extra time. The secondary tubing passes perfectly through this tight area with extra clearance for engine movement.

The header features stepped piping beginning with 44mm primaries that progressively move into 48mm, then 50mm secondaries and finally a 64mm or 2.5” exit. Like all our headers, it is assembled with mandrel bent, 304 stainless steel tubing and is fully Tig welded. K-Tuned also uses a slightly thicker gauge tubing that allows for better weld penetration and additional strength. The CNC cut 3/8" thick flanges are also double welded and then ported for optimum flow at entry and exit.

This header directly replaces the OEM 2 piece design and eliminates the catalytic converter so we included a short 2.5" test-pipe with defouler for the secondary O2 sensor. However, please note that K-Tuned plans to offer an option for a cat in the future.

Vehicle Application Notes:
Direct bolt-on for all 02-06 RSX and EP3 civic with K24 engine swap. Mates up perfectly with K-Tuned exhaust systems for RSX and EP3 civic.

Features:

  • Fits RSX & EP3 civic with K24 engine ONLY
  • 4-2-1 Tri-Y Design
  • 304 Stainless Steel
  • CNC cut 3/8" thick SS Flanges
  • 2.5" Outlet

K-Tuned K24 Race Header - RSX / 02-05 Civic Si

Regular price Sale $584.99 Sale price MSRP $649.99
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Free Shipping
Free standard shipping applies to this item within the continental United States. Orders shipped to Alaska, Hawaii, Virgin Islands, Canada, Puerto Rico, Guam, and PO/APO/FPO boxes are subject to additional shipping charges.
Ships: 6-10 business days
This is an estimated ship date once your order is placed from JHPUSA. Ship dates do not include weekends and holidays.
Brand:K-Tuned
SKU:KRH-RSX-K24
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