What you think

[Yoda]

hhmm ok so no header then. i cant remember once where some1 showed a dyno of header gains(excluding Richards). So is the header just a placebo for our cars?

[Tamago]

Originally Posted by Yoda

hhmm ok so no header then. i cant remember once where some1 showed a dyno of header gains(excluding Richards). So is the header just a placebo for our cars?

everything but forced induction and a tune is a placebo on the 1.5L 1NZFE

[Black Yaris]

Originally Posted by Tamago

everything but forced induction and a tune is a placebo on the 1.5L 1NZFE

says the man with a Turbo...

but a lot of little mods that add a tiny bit of HP all do add up.... don't add up to much, but it does add up

[Tamago]

Originally Posted by Black Yaris

says the man with a Turbo...

but a lot of little mods that add a tiny bit of HP all do add up.... don't add up to much, but it does add up

horsepower is not additive..

pullies, +3hp
header +3hp
intake +2hp
exhaust +5hp

that does not mean you're now +13hp...