Subaru - 2018 - 2021 STI - Exhaust - Headers & Manifolds - Low Boost Performance

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IAG
|
sku: IAG-EXT-1001

IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT

MSRP:

Now: $799.99

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ETS

ETS SUBARU STI V2 MAXFLOW HEADER

MSRP:

Now: $1,495.00

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GrimmSpeed

GrimmSpeed Unequal Length Header - EJ Series Engines

MSRP:

Was:

Now: $999.00 - $1,308.00

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aFe
|
sku: 48-36803

aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy

MSRP:

Now: $824.00

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Killer B Motorsport
|
sku: HH4-1-SWAIN

Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating

MSRP:

Now: $2,129.00

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Killer B Motorsport
|
sku: HH4-1-EGT **Special Order**

Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT

MSRP:

Now: $1,759.00

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Killer B Motorsport
|
sku: HH-DIY

Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself

MSRP:

Now: $1,299.00

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Killer B Motorsport
|
sku: HH-2BOLT-VE-UP **Special Order**

Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe

MSRP:

Now: $2,098.00

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Killer B Motorsport
|
sku: HH-2BOLT-VE

Killer B Holy Header Max EJ Series

MSRP:

Now: $1,599.00

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Killer B Motorsport
|
sku: HH-2BOLT-SWAIN

Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating

MSRP:

Now: $1,829.00

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Killer B Motorsport
|
sku: HH4-1

Killer B Equal Length 4-1 Holy Header EJ Series

MSRP:

Now: $1,669.00

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DEI
|
sku: dei10127

DEI Titanium Exhaust Wrap with LR Technology 010127

MSRP:

Now: $59.69

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GrimmSpeed
|
sku: 003001

GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe

MSRP:

Now: $269.00

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Killer B Motorsport
|
sku: HH-2BOLT

Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt

MSRP:

Now: $1,399.00

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Invidia
|
sku: HS05SW1HDR

Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009

MSRP:

Now: $1,192.10

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PERRIN
|
sku: PSP-EXT-056 **Special Order**

Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued**

MSRP:

Now: $1,274.15

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HKS
|
sku: 14019-AF002

HKS Equal Length Header / Exhaust Manifold | Multiple Fitments

MSRP:

Now: $595.00

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Borla
|
sku: 17217

Borla Header 02+ WRX and STi

MSRP:

Now: $828.99

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IAG
|
sku: IAG-EXT-1001

IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT

IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the...

MSRP:

Now: $799.99
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ETS

ETS SUBARU STI V2 MAXFLOW HEADER

The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 2004+ Subaru STI. We designed our ETS V2 MaxFlow Header to be a direct factory replacement header. We start off with large 1 7/8 primary...

MSRP:

Now: $1,495.00
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GrimmSpeed

GrimmSpeed Unequal Length Header - EJ Series Engines

Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a...

MSRP:

Was:

Now: $999.00 - $1,308.00

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aFe
|
sku: 48-36803

aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy

aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Laser Cut...

MSRP:

Now: $824.00
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Killer B Motorsport
|
sku: HH4-1-SWAIN

Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating

Killer B Equal Length 4-1 Holy Header EJ Series with SwainTech Ceramic Coating The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible...

MSRP:

Now: $2,129.00
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Killer B Motorsport
|
sku: HH4-1-EGT **Special Order**

Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT

Killer B Equal Length 4-1 Holy Header Up-Pipe w/ EGT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short...

MSRP:

Now: $1,759.00
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Killer B Motorsport
|
sku: HH-DIY

Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself

Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev...

MSRP:

Now: $1,299.00
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Killer B Motorsport
|
sku: HH-2BOLT-VE-UP **Special Order**

Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe

Killer B Equal Length 4-1 Holy Header Max VE 2-Bolt Manifold w/ Up Pipe The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High...

MSRP:

Now: $2,098.00
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Killer B Motorsport
|
sku: HH-2BOLT-VE

Killer B Holy Header Max EJ Series

Killer B Holy Header Max EJ Series The Killer B Motorsport Holy Header VE-Max was developed using state of the art CAD software, simulations, and testing, to determine optimal high power and RPM efficiency. High velocity merge collector into a stepped 2...

MSRP:

Now: $1,599.00
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Killer B Motorsport
|
sku: HH-2BOLT-SWAIN

Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating

Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating This example is the popular Killer B Motorsport SWAIN Coated 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the...

MSRP:

Now: $1,829.00
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Killer B Motorsport
|
sku: HH4-1

Killer B Equal Length 4-1 Holy Header EJ Series

Killer B Equal Length 4-1 Holy Header EJ Series The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as...

MSRP:

Now: $1,669.00
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DEI
|
sku: dei10127

DEI Titanium Exhaust Wrap with LR Technology 010127

Exhaust and Header Wrap, Titanium, 2 in. Wide x 50 ft., Each DEI titanium exhaust wrap with LR technology is constructed from pulverized lava rock, extruded into fibers, and then woven into a tight weave, giving it titanium-like strength and...

MSRP:

Now: $59.69
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GrimmSpeed
|
sku: 003001

GrimmSpeed 04+ Subaru STI/02+ WRX/05+ LGT/09+ FXT Uppipe

A TOP OF THE LINE UP PIPE MADE TO BE ABUSED. Adding a well-design, well-built aftermarket up pipe is one of the first things you should do to your Subaru. Our ultimate goal was to make the best up pipe the aftermarket has to offer. Design We designed...

MSRP:

Now: $269.00
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Killer B Motorsport
|
sku: HH-2BOLT

Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt

Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range...

MSRP:

Now: $1,399.00
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Invidia
|
sku: HS05SW1HDR

Invidia Equal Length Race Header Subaru WRX 2008-2014 / STI 2005-2021 / Legacy GT 2005-2009

Racing Exhaust Manifold by Invidia Racing Exhaust Manifold (HS05SW1HDR) by Invidia. Piping Diameter: 1.65" (42 mm). Material: Stainless Steel. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you...

MSRP:

Now: $1,192.10
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PERRIN
|
sku: PSP-EXT-056 **Special Order**

Perrin E4-Series Equal Length Big-Tube Header Subaru Multiple Fitments **Once sold out, the item will be discontinued**

E4-Series Equal Length Big-Tube Header by Perrin The equal length design of the PERRIN E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more...

MSRP:

Now: $1,274.15
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HKS
|
sku: 14019-AF002

HKS Equal Length Header / Exhaust Manifold | Multiple Fitments

Stainless Steel Exhaust Manifold by HKS The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the 08-14 Impreza WRX/STI and the new 15+ STI. It replaces the OEM header for better flow and performance using a 4-1 setup to...

MSRP:

Now: $595.00
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Borla
|
sku: 17217

Borla Header 02+ WRX and STi

Add even more performance to your BORLA Cat-Back exhaust with our Stainless Steel headers. BORLA headers are built with race-winning technology from premium Aircraft-Quality T-304 Stainless Steel, an alloy superior to T-400 series knockoffs, to give you...

MSRP:

Now: $828.99
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