Honda Stepwgn Tuning

2 supported Honda Stepwgn applications, 2009+.

Honda

2 supported Stepwgn tunes

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All Supported Honda Stepwgn Tunes

Supported Honda Stepwgn engines and controllers
1.5T (L15B)2015+RP1-5150 hpECU Keihin TC1782AutoTuner
2.0i VTEC (R20A)2009+RK150 hpECU Keihin SH7058AutoTuner

Other Honda Models

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About Honda Stepwgn tuning

Rapid Racing supports 2 Honda Stepwgn applications from 2009+ through AutoTuner, with stock outputs up to 150 hp. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan.

Supported engines: 1.5T (L15B), 2.0i VTEC (R20A).

Supported controllers: Keihin SH7058, Keihin TC1782.

Don't See Your Vehicle?

These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.