men para saan ba yung headers and strut bar?thanx
If you're asking about the headers and strut bar on your husband/boyfriend/brother's car... they're necessary maintenance items, and they were a justified purchase.
Kung para sa iyo... a strut bar helps stiffen the car's body, which helps improve handling performance and stability. Newer cars won't see as much of an effect, as cars like the Mazda3, Honda Civic and Ford Focus have really stiff bodies already... but everything helps.
Headers improve power through improving exhaust flow. They also help fuel economy marginally.
Ang pagbalik ng comeback...