Subaru Impreza WRX STi

Large selection of performance parts and upgrades for the Subaru Impreza WRX STi (including 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014)

Subaru Impreza WRX STi

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2269 products
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GrimmSpeed 08-14 WRX/ 08-21 STi/ 05-09 LGT Downpipe 3in Catted Limited w/ Ceramic Black Coating
GrimmSpeed 08-14 WRX/ 08-21 STi/ 05-09 LGT Downpipe 3in Catted Limited w/ Ceramic Black Coating
Vendor: GrimmSpeed

GrimmSpeed 08-14 WRX/ 08-21 STi/ 05-09 LGT Downpipe 3in Catted Limited w/ Ceramic Black Coating

Regular price $859.00 USD Sale price $859.00 USD Regular price $859.00 USD
Sold out
Sold out
GrimmSpeed 08-14 WRX/ 08-21 STi/ 05-09 LGT Downpipe 3in Catted w/ Black Ceramic Coating
Vendor: GrimmSpeed

GrimmSpeed 08-14 WRX/ 08-21 STi/ 05-09 LGT Downpipe 3in Catted w/ Black Ceramic Coating

Regular price $839.00 USD Sale price $839.00 USD Regular price $839.00 USD
Sold out
Sale 10% Sold out
HKS AF KNOCK AMP 3 (44006-AK004)
HKS AF KNOCK AMP 3 (44006-AK004)
Vendor: HKS

HKS AF KNOCK AMP 3 (44006-AK004)

Regular price $828.00 USD Sale price $828.00 USD Regular price $920.00 USD
Sale 10% Sold out
Sale 22% Sold out
Tanabe Medalion Touring Cat-Back - 08-14 Subaru Impreza WRX STI & 11-14 Subaru Impreza WRX (Hatchback)
Tanabe Medalion Touring Cat-Back - 08-14 Subaru Impreza WRX STI & 11-14 Subaru Impreza WRX (Hatchback)
Vendor: Tanabe

Tanabe Medalion Touring Cat-Back - 08-14 Subaru Impreza WRX STI & 11-14 Subaru Impreza WRX (Hatchback)

Regular price $772.35 USD Sale price $772.35 USD Regular price $990.00 USD
Sale 22% Sold out
Sale 15%
HKS Super Turbo Cat-Back Exhaust for 2002-2007 Impreza WRX & STi.
HKS Super Turbo Cat-Back Exhaust for 2002-2007 Impreza WRX & STi.
Vendor: HKS

HKS Super Turbo Cat-Back Exhaust for 2002-2007 Impreza WRX & STi.

Regular price $1,088.00 USD Sale price $1,088.00 USD Regular price $1,280.00 USD
Sale 15%
Sale 15% Sold out
HKS Legamax Premium Cat-Back Exhaust - Subaru Impreza WRX & STi Sedan 2011-2014
HKS Legamax Premium Cat-Back Exhaust - Subaru Impreza WRX & STi Sedan 2011-2014
Vendor: HKS

HKS Legamax Premium Cat-Back Exhaust - Subaru Impreza WRX & STi Sedan 2011-2014

Regular price $1,785.00 USD Sale price $1,785.00 USD Regular price $2,100.00 USD
Sale 15% Sold out
Sale 26%
Vibrant -6AN Push-On 150 Degree Hose End Fitting (22506)
Vibrant -6AN Push-On 150 Degree Hose End Fitting (22506)
Vendor: Vibrant

Vibrant -6AN Push-On 150 Degree Hose End Fitting (22506)

Regular price $18.99 USD Sale price $18.99 USD Regular price $25.50 USD
Sale 26%
Sale 26%
Vibrant 1.25in Nom. Schedule-10 T304 SS Long Radius 90 deg. Elbow (2360)
Vibrant 1.25in Nom. Schedule-10 T304 SS Long Radius 90 deg. Elbow (2360)
Vendor: Vibrant

Vibrant 1.25in Nom. Schedule-10 T304 SS Long Radius 90 deg. Elbow (2360)

Regular price $12.99 USD Sale price $12.99 USD Regular price $17.59 USD
Sale 26%
Sale 25%
Vibrant 3in O.D. Universal Aluminum Tubing (90 degree bend) - Polished (2176)
Vibrant 3in O.D. Universal Aluminum Tubing (90 degree bend) - Polished (2176)
Vendor: Vibrant

Vibrant 3in O.D. Universal Aluminum Tubing (90 degree bend) - Polished (2176)

Regular price $38.99 USD Sale price $38.99 USD Regular price $51.99 USD
Sale 25%
Sale 25%
Vibrant 5/16 (8mm) I.D. x 10 ft. of Silicon Vacuum Hose - Black (2106)
Vibrant 5/16 (8mm) I.D. x 10 ft. of Silicon Vacuum Hose - Black (2106)
Vendor: Vibrant

Vibrant 5/16 (8mm) I.D. x 10 ft. of Silicon Vacuum Hose - Black (2106)

Regular price $33.99 USD Sale price $33.99 USD Regular price $45.50 USD
Sale 25%
Sale 21%
Vibrant 5/32 (4mm) I.D. x 50 ft. of Silicon Vacuum Hose - Black (2101)
Vibrant 5/32 (4mm) I.D. x 50 ft. of Silicon Vacuum Hose - Black (2101)
Vendor: Vibrant

Vibrant 5/32 (4mm) I.D. x 50 ft. of Silicon Vacuum Hose - Black (2101)

Regular price $69.99 USD Sale price $69.99 USD Regular price $88.99 USD
Sale 21%
Sale 25%
Vibrant 2.5in O.D. T304 SS 45 deg Mandrel Bend 6in x 6in leg lengths (3.5in Centerline Radius) (13100)
Vibrant 2.5in O.D. T304 SS 45 deg Mandrel Bend 6in x 6in leg lengths (3.5in Centerline Radius) (13100)
Vendor: Vibrant

Vibrant 2.5in O.D. T304 SS 45 deg Mandrel Bend 6in x 6in leg lengths (3.5in Centerline Radius) (13100)

Regular price $44.99 USD Sale price $44.99 USD Regular price $59.99 USD
Sale 25%
Sale 25%
Vibrant Univ Oil Feed Kit 3ft Teflon lined S.S. hose with two -4AN female fittings preassembled (10276)
Vibrant Univ Oil Feed Kit 3ft Teflon lined S.S. hose with two -4AN female fittings preassembled (10276)
Vendor: Vibrant

Vibrant Univ Oil Feed Kit 3ft Teflon lined S.S. hose with two -4AN female fittings preassembled (10276)

Regular price $29.99 USD Sale price $29.99 USD Regular price $39.99 USD
Sale 25%
Sale 21%
Vibrant SS Resonator (Standard Design) 3in inlet/outlet x 18in long (1795)
Vibrant SS Resonator (Standard Design) 3in inlet/outlet x 18in long (1795)
Vendor: Vibrant

Vibrant SS Resonator (Standard Design) 3in inlet/outlet x 18in long (1795)

Regular price $99.99 USD Sale price $99.99 USD Regular price $125.99 USD
Sale 21%
Sale 26%
Vibrant -10AN Flare to AN Straight Thread (3/4-16) w/ O-Ring Adapter Fitting (16835)
Vibrant -10AN Flare to AN Straight Thread (3/4-16) w/ O-Ring Adapter Fitting (16835)
Vendor: Vibrant

Vibrant -10AN Flare to AN Straight Thread (3/4-16) w/ O-Ring Adapter Fitting (16835)

Regular price $9.99 USD Sale price $9.99 USD Regular price $13.50 USD
Sale 26%
Sale 24%
Vibrant 3in O.D. T304 SS 15 deg Mandrel Bend 5in x 5in leg lengths (5in Centerline Radius) (13132)
Vibrant 3in O.D. T304 SS 15 deg Mandrel Bend 5in x 5in leg lengths (5in Centerline Radius) (13132)
Vendor: Vibrant

Vibrant 3in O.D. T304 SS 15 deg Mandrel Bend 5in x 5in leg lengths (5in Centerline Radius) (13132)

Regular price $49.99 USD Sale price $49.99 USD Regular price $65.99 USD
Sale 24%
Sale 10%
SSR Plastic Hub Rings 73.0 - 66.1 (Pair) (1SB2BB73661)
Vendor: SSR

SSR Plastic Hub Rings 73.0 - 66.1 (Pair) (1SB2BB73661)

Regular price $7.22 USD Sale price $7.22 USD Regular price $8.00 USD
Sale 10%
Sale 27%
Vibrant -10 AN Female Weld Bung (7/8in -14 Thread) - Aluminum (11163)
Vibrant -10 AN Female Weld Bung (7/8in -14 Thread) - Aluminum (11163)
Vendor: Vibrant

Vibrant -10 AN Female Weld Bung (7/8in -14 Thread) - Aluminum (11163)

Regular price $9.49 USD Sale price $9.49 USD Regular price $12.99 USD
Sale 27%
Sale 10%
SSR Plastic Hub Rings 73.0 - 67.1 (Pair) (1SB2BB73671)
Vendor: SSR

SSR Plastic Hub Rings 73.0 - 67.1 (Pair) (1SB2BB73671)

Regular price $7.22 USD Sale price $7.22 USD Regular price $8.00 USD
Sale 10%
Sale 23%
Vibrant 2.5in O.D. T304 SS 90 deg Mandrel Bend 4in x 12in leg lengths (2.5in Centerline Radius) (13051)
Vibrant 2.5in O.D. T304 SS 90 deg Mandrel Bend 4in x 12in leg lengths (2.5in Centerline Radius) (13051)
Vendor: Vibrant

Vibrant 2.5in O.D. T304 SS 90 deg Mandrel Bend 4in x 12in leg lengths (2.5in Centerline Radius) (13051)

Regular price $55.99 USD Sale price $55.99 USD Regular price $72.99 USD
Sale 23%
Sale 26%
Vibrant SS Accuseal Exhaust Seal Clamp for 3in OD Tubing (1in wide band) (1167)
Vibrant SS Accuseal Exhaust Seal Clamp for 3in OD Tubing (1in wide band) (1167)
Vendor: Vibrant

Vibrant SS Accuseal Exhaust Seal Clamp for 3in OD Tubing (1in wide band) (1167)

Regular price $18.99 USD Sale price $18.99 USD Regular price $25.50 USD
Sale 26%
Sale 20%
Vibrant HD Clamping System Assembly For 2.5in OD Tubing - Blue Clamp (12515B)
Vibrant HD Clamping System Assembly For 2.5in OD Tubing - Blue Clamp (12515B)
Vendor: Vibrant

Vibrant HD Clamping System Assembly For 2.5in OD Tubing - Blue Clamp (12515B)

Regular price $133.99 USD Sale price $133.99 USD Regular price $167.99 USD
Sale 20%
Sale 25%
Vibrant 1/8 NPT to 1/4in Barb Straight Fitting 90 Deg Adapter - Aluminum (11230)
Vibrant 1/8 NPT to 1/4in Barb Straight Fitting 90 Deg Adapter - Aluminum (11230)
Vendor: Vibrant

Vibrant 1/8 NPT to 1/4in Barb Straight Fitting 90 Deg Adapter - Aluminum (11230)

Regular price $11.99 USD Sale price $11.99 USD Regular price $15.99 USD
Sale 25%
Sale 27%
Vibrant 1/4in NPT Female Weld Bung (7/8in OD) - Aluminum (11171)
Vibrant 1/4in NPT Female Weld Bung (7/8in OD) - Aluminum (11171)
Vendor: Vibrant

Vibrant 1/4in NPT Female Weld Bung (7/8in OD) - Aluminum (11171)

Regular price $6.59 USD Sale price $6.59 USD Regular price $8.99 USD
Sale 27%