I have just fitted one of Harvey Smiths modified 3 bolt upipes for the GT Spec 3 Bolt Headers.

What a difference these have made to the spool up of the car prior to fitting the car would spool 1 bar at about 3500 rpm and 2 bar at 4100 rpm, with no other modification the car is now spooling 1 bar at 3100-3200 rpm and 2 bar at 3700-3800 rpm.

If you have a set of 3 bolt headers this is a great modification to help the spool of the turbo.

My car is a Hawkeye STI with FP Red Turbo running 560bhp

 

did you just buy the up pipe off harvey or both and how much

jim

 

I just bought the up pipe as I all ready had the headers on - about £160 as I had to buy a new 3 bolt gasket and cant remember exactly how much that was.

Speak to harvey for the exact price.

 

whats the difference between the 3 bolt uppipe that comes with the tubular headers and the one you have just fitted.

 

was sceptical about running one of these, maybe worth investing in the future, will see how spool up goes when mines done

 

I sell the three bolt flange headers for £375 complete with the up-pipe supplied.
Wrapping with DEI heat wrap and doing each runner separately, not two or four at a time is £95 and a work of art.
I have been working on perfecting the design of the performance three bolt up-pipe since last March and after a lot of flow bench work we came up with the final design and product release after numerous test sessions this March.
A number of owners suffering late spool from tubular headers have been pleasantly surprised.
The release price of the up-pipe, stainless steel, slip jointed, DEI wrapped with 5no. new Subaru studs is £139. Overnight delivery £12.50 but the price will be reviewed in the near future.

 

payment details harey please

jim

 

As above, i am as impressed. Same swap, only my car was remapped also at the same time. Same improvements which may seem a little in numbers, but in gear driving has changed a lot with more response and better boost.
Oh i forgot, i did have a 3 port boost valve as well.

 

My Paypal and email is harveysmith1@btopenworld.com Add 3.5% for their fees or email me and I will send my bank details so you can arrange an internet transfer.

 

Harvey
Send my your number
Or call me 07837800578

 

Email and details sent.