Pipe
Larger/longer pipe
- More bottom-end power
Smaller/shorter pipe/less volume
- More top-end power
Header
Longer header
- More bottom-end power
Shorter header
- More top-end power
Also see our tips on head clearance, fuel, and glow plugs.
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Learn how to tune RC car nitro engines
Larger/longer pipe
Smaller/shorter pipe/less volume
Longer header
Shorter header
Also see our tips on head clearance, fuel, and glow plugs.
Tuning engine on your car? Ask the AI Mechanic
Get engine values and tuning advice dialed in for your exact car, conditions, and what you're feeling on the track. Free to start, no signup.

RC Engine Tuning for Low Nitro Fuel
Adam Drake, Mugen Seiki factory driver, offers tuning tips for engines running fuel with 25% or less nitro, a situation more and more common as environmental controls extend to more countries.

Wheel Alignment Overview by Animated Engineering
Great overview of basic alignment aspects of the suspension, from toe and camber to caster and steering axis inclination.

Tuning an RC Nitro Engine with the Exhaust Pipe and Manifold
Adam Drake, master of dirt nitro, explains how to use your pipe and manifold to get the most out of your nitro engine.