K-Tuned 304 Series Race Header - RSX/EP3

KRH-RSX-K20

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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 K-Tuned than function and although the subframe and sway bar 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 K-Tuned stainless headers, it is assembled with mandrel bent, 304 stainless steel tubing and is fully tig welded. K-Tuned also use 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 K-Tuned included a short 2.5" test-pipe with defouler for the secondary O2 sensor.
 
K20 Applications: Direct bolt-on for all 02-06 RSX Type-S. This header will also fit RSX Premium/Base models and EP3 with Type S Exhaust.

 
K24 Applications: 
02-06 K24 Swapped RSX with Type S exhaust. K24 Swapped EP3 with K-Tuned Oval-Tube Exhaust or Type R style exhaust..
 
Key Features: 

  • - 4-2-1 Tri-Y Design 
  • - 304 Stainless Steel 
  • - CNC cut 3/8" thick SS Flanges 
  • - 2.5" Outlet


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