wrx0211

been doin a bit of searchin on the net so would i be correct in saying that the majority of impreza gt spec headers are manufactured by above company then rebranded,therfore they should all be much the same apart from copies/fakes.if so the how do you id fakes.cheers guys.

JohnD

iTrader: (5)

Mine certainly came in a box marked 'Taiwan' from the late Harvey Smith.

JohnD

alcazar

iTrader: (2)

Keep i mind that below 400 on a classic and 450 or so on a newage, tubular headers can actually make the car drive worse, spoil the spool and produce LESS power.

Ported headers may be the way to go.

jeffwrx

iTrader: (50)

you can get gt spec from here:http://www.kakumei-motorsports.com/p...me=IM-HDR-02G2

you can tell genuine from the flanges , (they have the name and shape is different , like in the picture in link:
http://www.gtspec.com/product/gtspec...pipe-ej20ej257

wrx0211

cheers for replies guys,car is newage blob sti running 411b/349l.lightly ported headers.
conflicting opinions on when to fit gt spec headers,cheers anyway.