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Honda Civic Type R (FL5) Ignition FAQ's

Please read our FAQs page to find out more.

Which ignition upgrades help the FL5 when tuned?

Colder spark plugs and high‑performance coils improve combustion stability on a tuned FL5 Civic Type R and reduce misfires at higher load.

Do FL5 ignition upgrades require plug gap changes?

Often yes. Tuned FL5 setups may benefit from a slightly tighter plug gap to maintain spark under boost.

Will ignition upgrades improve fuel economy on an FL5?

These upgrades focus on performance and consistency. Any economy change depends on tuning and driving style.