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FEATURED+60 HP

2020 Honda Civic Si - Stage 1 Street Build

2020 Honda Civic Si (Si Sedan)

2020 Honda Civic Si - Stage 1 Street Build
1 additional photo
2020 Honda Civic Si - Stage 1 Street Build - Photo 1

About This Build

A clean Stage 1 build focused on daily drivability with noticeable power gains. Started with a bone stock Si and added bolt-ons plus a quality ECU tune. The car feels completely transformed while maintaining reliability for daily driving.

Performance Comparison

Factory

HP205
TQ192
0-606.8s

Modified

HP265
TQ280
0-605.9s
+60
HP Gain
+88
TQ Gain
-0.9s
0-60

Modifications

• KTuner V2 ECU Tune (+40hp baseline) • PRL Cobra Cold Air Intake (+8hp) • Invidia Q300 Cat-Back Exhaust (+5hp) • PRL Front Pipe (downpipe) • Upgraded intercooler • NGK Iridium spark plugs (1 step colder)

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Build Stats

Total Cost$3,200
Published2/2/2026

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