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Aftermarket Performance Parts for the Sti
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3" Downpipe / Exhaust Gasket:
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3" Downpipe / Exhaust Gasket:

This gasket will come in handy when you are swapping out your downpipe, test pipe, or high flow cat.


Save yourself a headache and buy a new 3" gasket now; before your car is in pieces.

Tech Tip: We suggest buying ...



Our Price: $10.95
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Cometic MLS .030 inch Block-to-Manifold Gasket (2 Required) - STi
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Cometic MLS .030 inch Block-to-Manifold Gasket (2 Required) - STi

Cometic Exhaust Manifold Gaskets utilize the same technology that goes into Cometic Headgaskets. Offered in MLS (Multi Layered Steel) Cometic Exhaust Manifold Gaskets will give you years of reliable performance.

* Maintains Torque Setting
* Withstands Different ...


Our Price: $15.28
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Cometic MLS .030 inch Turbo-to-Downpipe Gasket - STi
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Cometic MLS .030 inch Turbo-to-Downpipe Gasket - STi

.030" 3 Layer MLS
Seal: Crush Ring


Our Price: $19.18
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Cometic MLS .030 inch Uppipe-to-Turbo Gasket
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Cometic MLS .030 inch Uppipe-to-Turbo Gasket

.030" 3 Layer MLS
Seal: Crush Ring


Our Price: $15.28
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GrimmSpeed 3-Bolt APS Downpipe Gasket
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GrimmSpeed 3-Bolt APS Downpipe Gasket

Rejoice APS Downpipe owners, you finally have a great replacement gasket for your APS Downpipe!


Our Price: $15.88
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GrimmSpeed 3-Bolt Manifold to Up Pipe Gasket
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GrimmSpeed 3-Bolt Manifold to Up Pipe Gasket

Rejoice 3-Bolt Up Pipe owners, you finally have a great replacement gasket for your up pipes!


Our Price: $15.88
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GrimmSpeed 38mm EWG Gasket
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GrimmSpeed 38mm EWG Gasket

GrimmSpeed introduces their premium quality 38mm External Wastegate Gasket(EWG).


Our Price: $7.08
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GrimmSpeed Downpipe to Catback 3" Gasket
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GrimmSpeed Downpipe to Catback 3" Gasket

Tired of the endless searching for a 3" 2 Bolt premium gasket that doesn't blow out?


Our Price: $14.19
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GrimmSpeed Downpipe to Catback 3" Gasket - 2X THICK
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GrimmSpeed Downpipe to Catback 3" Gasket - 2X THICK

Our new 2X Thick 3" 2-Bolt gasket is hands down the most beefy 3" 2-Bolt gasket on the market. 12 LAYERS!


Our Price: $17.59
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GrimmSpeed Exhaust Manifold to Crosspipe Gasket Set
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GrimmSpeed Exhaust Manifold to Crosspipe Gasket Set

GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price.


Our Price: $16.82
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GrimmSpeed Exhaust Manifold to Crosspipe Gasket Set
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GrimmSpeed Exhaust Manifold to Crosspipe Gasket Set

GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price.


Our Price: $16.82
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GrimmSpeed Exhaust Manifold to Up Pipe Gasket
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GrimmSpeed Exhaust Manifold to Up Pipe Gasket

GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price.


Our Price: $10.64
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GrimmSpeed Exhaust Manifold to Up Pipe Gasket - 2X THICK
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GrimmSpeed Exhaust Manifold to Up Pipe Gasket - 2X THICK

GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price.


Our Price: $15.88
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GrimmSpeed Intake Manifold to TGV Gasket Set - Enlarged Bore
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GrimmSpeed Intake Manifold to TGV Gasket Set - Enlarged Bore

GrimmSpeed does it again! Introducting our enlarged bore Intake Manifold to TGV gaskets.


Our Price: $8.79
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GrimmSpeed Subaru Exhaust Manifold to Head Gasket Set - Dual Port
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GrimmSpeed Subaru Exhaust Manifold to Head Gasket Set - Dual Port

GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price.


Our Price: $17.59
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GrimmSpeed Subaru Turbo to Downpipe Gasket
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GrimmSpeed Subaru Turbo to Downpipe Gasket

GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price.


Our Price: $15.83
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GrimmSpeed Subaru Up Pipe to Turbo Gasket
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GrimmSpeed Subaru Up Pipe to Turbo Gasket

GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price.


Our Price: $11.56
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GrimmSpeed TGV to Engine Gasket Set - STi 04-10
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GrimmSpeed TGV to Engine Gasket Set - STi 04-10

Not much to say here. Just a set of GrimmSpeed TGV to engine gaskets. get them while they are hot.


Our Price: $11.56
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GTSPEC Block to Manifold Gasket - STi
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GTSPEC Block to Manifold Gasket - STi

GTSPEC orginal gasket. Gasket constructed of 7 layers of crush metal materials.


Our Price: $12.60
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GTSPEC Manifold to Uppipe Gasket; 2Bolt - STi
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GTSPEC Manifold to Uppipe Gasket; 2Bolt - STi


GTSPEC orginal
gasket. Gasket constructed of 7 layers of crush metal materials.


Our Price: $12.60
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GTSPEC Turbo-to-Downpipe Gasket - STi
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GTSPEC Turbo-to-Downpipe Gasket - STi

GTSPEC orginal gasket. Gasket constructed of 7 layers of crush metal materials.


Our Price: $13.50
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GTSPEC Uppipe to Turbo Gasket - STi 04-08
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GTSPEC Uppipe to Turbo Gasket - STi 04-08

GTSPEC orginal gasket. Gasket constructed of 7 layers of crush metal materials.


Our Price: $12.60
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Powerflex Exhaust Mounts - Subaru STi/WRX 04-07
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Powerflex Exhaust Mounts - Subaru STi/WRX 04-07

Exhaust Mounts for Subaru STi/WRX 04-07


Our Price: $8.95
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Subaru OEM Center of Downpipe Exhaust Gasket - STi 04-07
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Subaru OEM Center of Downpipe Exhaust Gasket - STi 04-07

This is the gasket found between the two pieces of your downpipe.


Our Price: $19.95
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Subaru OEM Crossover pipe Exhaust Gasket - STI 04-07
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Subaru OEM Crossover pipe Exhaust Gasket - STI 04-07

This is the factory gasket for the union between the crossover pipe and the collector.


Our Price: $27.95
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Subaru OEM Graphite Donut Exhaust Gasket - STi 04-07
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Subaru OEM Graphite Donut Exhaust Gasket - STi 04-07

This is the graphite donut found between your downpipe and the midpipe (the joint with the spring bolts) on the WRX and WRX-STi.


Our Price: $44.95
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Subaru OEM Header Gasket - STi 04-07
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Subaru OEM Header Gasket - STi 04-07

This is the gasket found between your headers and the engine block- it should be replaced every time the headers are removed from the block. We sell them individually, but you will likely need a pair.


Our Price: $16.95
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Subaru OEM Headers to Uppipe Gasket - STi 04-07
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Subaru OEM Headers to Uppipe Gasket - STi 04-07

This is the gasket found between the headers and the uppipe.


Our Price: $19.95
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Subaru OEM Turbo to Downpipe Gasket - STi 04-07
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Subaru OEM Turbo to Downpipe Gasket - STi 04-07

This is the factory gasket found between your turbocharger and downpipe.


Our Price: $27.95
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Subaru OEM Upipe to Turbo Gasket - STi 04-07
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Subaru OEM Upipe to Turbo Gasket - STi 04-07

This is the factory gasket for the union between the uppipe and the turbocharger.


Our Price: $19.95
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Torque Solution 10mm Exhaust Mount
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Torque Solution 10mm Exhaust Mount

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Ex...


Our Price: $8.00
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Torque Solution 12mm Exhaust Mount - Subaru Sti 2008-2011
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Torque Solution 12mm Exhaust Mount - Subaru Sti 2008-2011



Our Price: $8.00
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Torque Solution 12mm Long Exhaust Mount
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Torque Solution 12mm Long Exhaust Mount

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Ex...


Our Price: $9.00
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Torque Solution 12mm Long Exhaust Mount
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Torque Solution 12mm Long Exhaust Mount

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Exhaust Movmen...


Our Price: $36.00
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Torque Solution 15mm Exhaust Mount
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Torque Solution 15mm Exhaust Mount

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Ex...


Our Price: $8.00
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Torque Solution 15mm Exhaust Mount Kit - Subaru STi
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Torque Solution 15mm Exhaust Mount Kit - Subaru STi

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Exhaust Movm...


Our Price: $32.00
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Torque Solution 15mm Exhaust Mount Standard Length - STi 2004-2007
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Torque Solution 15mm Exhaust Mount Standard Length - STi 2004-2007

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Ex...


Our Price: $8.00
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Torque Solution 15mm Long Exhaust Mount
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Torque Solution 15mm Long Exhaust Mount

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Ex...


Our Price: $9.00
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Torque Solution 15mm Long Exhaust Mount
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Torque Solution 15mm Long Exhaust Mount

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Exhaust Movm...


Our Price: $36.00
Quantity

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Torque Solution 15mm Long Exhaust Mount - STi 2004-2007
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Torque Solution 15mm Long Exhaust Mount - STi 2004-2007

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Ex...


Our Price: $9.00
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Torque Solution 9mm Exhaust Mount
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Torque Solution 9mm Exhaust Mount

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits. They fit most cars, please check your car first.
 
•Eliminates Ex...


Our Price: $8.00
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Torque Solution Exhaust Mount Kit - Subaru STi 2008-2011
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Torque Solution Exhaust Mount Kit - Subaru STi 2008-2011

Torque Solution exhaust mounts will reduce exhaust movement and vibrations both under extreme racing conditions and daily street driving. Great compliment to any exhaust kits.This is a pack of 5, just enough to do a full exhaust on the 08+ STI (or any with dual exhausts). These are...


Our Price: $40.00
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TurboXS STI Replacement Exhaust Hardware kit
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TurboXS STI Replacement Exhaust Hardware kit

STI Replacement Exhaust Hardware kit

This hardware kit includes all the hardware that is included for free with a brand new TurboXS STI, WRX, or FXT exhaust system. Complete installation kit!



Our Price: $34.00
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Aftermarket Performance Parts for the Sti
stiperformanceparts.com is not a subaru authorized sti parts dealer or repair facility. stiperformanceparts.com is not affiliated, related to, or endorsed by Subaru of America or Fuji Heavy Industries LTD in any way. stiperformanceparts.com is an independent retailer of performance parts and accessories that is not affiliated with Subaru of America (Fuji Heavy Industries LTD). Use of trademarks is done on a fair use basis and without intent to compete with, or take advantage of Subaru or its trademarks. For more information on Subaru please visit http://www.subaru.com