RSP Intake Manifold Modification for Extra Horsepower

If you’re into racing, you understand the importance of additional power, especially at higher RPMs. Here’s a straightforward recipe to gain some extra horsepower after 7000rpm! Let’s dive into the details:

  1. Baseline Setup:
    • The starting point is a previously tuned Accord CL9 equipped with the following components:
      • RSP intake manifold
      • CU2 intake cam
      • VTC50
      • 4-2-1 header
    • The car’s performance was measured before and after RSP intake manifold modifications.
  2. The RSP Intake Manifold Modification:
    • The key modification is the installation of a tuned velocity stack into RSP intake manifold (Remove the stock velocity stack, the longer one, and replace it with a new, shorter velocity stack, shown in blue in the picture).
    • After this simple bolt-on mod, dyno shows extra 14 horsepower at 7500rpm.
    • Remarkably, this gain was achieved without any changes to other components. The measurement conditions remained consistent: same car, same dyno, same day, same fuel, and same map.
    • You can find these shorter velocity stacks on platforms like Aliexpress.

In summary, this straightforward modification yielded impressive results, providing a significant power boost at higher RPMs. Happy racing! 🏁🚗💨

Reflash.Club – be faster!

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