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Invidia Equal Length Big Piping Exhaust Manifold ( Part Number:INV HS05SW1HDP)

Invidia Equal Length Big Piping Exhaust Manifold - Subaru Models (inc. 2002-2014 WRX / 2004+ STI)

MODEL # INV HS05SW1HDP
Manufacturer Part # HS05SW1HDP

$1,068.12

MSRP: $1,548.00

10
weeks
Ships within 10 weeks
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Description

The Invidia Equal Length Big Piping Exhaust Manifold is made for those of you looking to make big horsepower and big torque numbers. This is a one-piece design that has been fabricated from SUS 304 stainless steel, and the flanges feature CNC machined to hinder warping, and to ensure for a precision fitment. 

This header has a pair of O2 provisions for installation of the factory oxygen sensor, as well as an option to install an aftermarket wideband gauge. New exhaust manifold studs will be included to help for installation.

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Specifications


Brand: Invidia
Installation Hardware Included: Yes
Manifold Design: Equal Length
Piping Coating: No
Piping Flex Joint: No
Piping Material: 304 Stainless Steel
Flange Thickness: 12mm
Piping ID: 39mm / 49mm

Mfgr. Warranty: 1 year
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days


Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
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Verified Purchase

To anyone that is concerned about boost creep when changing exhaust.
Strycn1n3 5 years ago
I have seen many people concerned about boost creep when upgrading their exhaust system. I'm very confident that the reason i've seen no boost creep in my system is attributed to these headers. Equal length means more even flow to the turbo and also these headers are designed with the stock cam in mind. They are perfectly oversized to the size of the heads in such a way that they are like a stepped tube header. They may decrease velocity of the exhaust slightly but its made up for in the even delivery to the turbo making them better than similar headers in their class. I always reach the appropriate boost for the map even with a catless TBE. I have these headers + invidia n1 race catless exhaust all the way back running Cobb stage 2 + sf with no problems for about a year now. IMHO these are the best possible headers you can get for the stock turbo regardless of the decreased velocity because you will reach the boost you want all the time with no fluctuations.
Comment
Verified Purchase

On Order
Strycn1n3 6 years ago
These bad boys are sized perfectly to get a much HP/TQ out of the stock exhaust valve size as possible plus a little more even from slightly ported and larger valves. Can't wait to get them and put them on next week! My goal for now on my MY12 WRX is to gain more low end TQ due to the fact that stockers dont really like to launch as well as they should. Can't ask for a better design for stock or slightly oversized valves.
Comment
Verified Purchase

Does not fit Moroso oil pan
hot-j 7 years ago
I bought these headers to be used in conjunction with a aluminum moroso oil pan. They did not fit togeather, so one had to go. I chose the pan over the headers because the additional HP I would gain by using these did not out-weigh the extra reliability of the moroso oil pan. Why the 5 stars then? Because although I couldnt use them, the overall build quality was exellent, and in my opinion the best HP TQ making design out there. Ended going with the Invidia HS02 to fit my pan.
Comment

  • Q: Semi Stock STi  Nick S 5 months ago

    Answer

    I have a 2006 STi with only a cobb down pipe and the accessport. My question is if I will need and supporting mods to run these headers safely.


    • A: Technically, a tune will not be required for aftermarket headers. But, a tune will get you the most out of the upgrade.


      Brady R 2 months ago
  • Q: Subie Rumble (equal Vs. un-equal length)   J.Hick 5 months ago

    Answer

    I've head from multiple sources that equal length headers will get rid of the boxer rumble? Not completely eliminate it but make it more subtle. Trying not to lose that rumble, want to know if I should get an un-equal length or equal length?


    • A: You will lose the "boxer rumble" with equal length headers but will gain more top end power.


      Luis L. 5 months ago
  • Q: Comparison to Perrin big tube   Specter 9 months ago

    Answer

    I was wondering if these headers where specifically made for cars running more than 500hp. Like the Perrin big tube headers they are designed for cars running a rotted set up or 500+hp.


    • A: These headers aren't specifically designed for high HP making vehicles but for all turbo modeled Subaru's. They can hold that much power but weren't made particularly for them.


      Tyler A. 9 months ago
  • Q: Up Pipe  Robicheaux 1 year ago

    Answer

    Im assuming that these headers dont require any kind of up pipe at all. Im ead to beleive that due to the picture. is that correct?


    • A: Yes, That is correct. this PN: HS05SW1HDP Header already included the Up-pipe. If you looking for the header that without the up-pipe PN: HS05SW1HDR Our Race header don't have up-pipe. you have to purchase the up-pipe separately.


      [email protected] 1 year ago
  • Q: Ewg  eggemeyerzm34940 3 years ago

    Answer

    Does the piping come with a ewg port? Or just for an iwg


    • A: This does not have an EWG flange.


      Nick S. 3 years ago
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