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    1. eBay
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    3. fsquaredperformance
    fsquaredperformance
    fsquaredperformance

    fsquaredperformance

    766followersfsquaredperformance(13104fsquaredperformance's feedback score is 13104) 100.0%fsquaredperformance has 100% Positive Feedback

    F-SQUARED PERFORMANCE is your one-stop shop for automotive performance parts and accessories. The best brands in the industry, competitive pricing, fast shipping, and impeccable customer service. That's what we're all about!

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    List View

    1-48 of 9,432 Results

    • Skunk2 Sport Shocks (Front & Rear Set) 90-97 Honda Accord

      Skunk2 Sport Shocks (Front & Rear Set) 90-97 Honda Accord

      $283.10
      Free shipping
      or Best Offer
      2 watching
    • Snow Performance 210 Water Methanol Injection Kit Stage 2 Boost Cooler New Style

      Snow Performance 210 Water Methanol Injection Kit Stage 2 Boost Cooler New Style

      5 out of 5 stars
      (6)6 product ratings - Snow Performance 210 Water Methanol Injection Kit Stage 2 Boost Cooler New Style
      $471.57
      Free shipping
      or Best Offer
      176 watching
    • BLOX Universal Muffler (BXEX-00104)

      BLOX Universal Muffler (BXEX-00104)

      $106.83
      Free shipping
      or Best Offer
    • SCT X4 Power Flash Tuner Programmer for Ford Powerstroke 7.3, 6.0, 6.4, 6.7 7015

      SCT X4 Power Flash Tuner Programmer for Ford Powerstroke 7.3, 6.0, 6.4, 6.7 7015

      4.5 out of 5 stars
      (76)76 product ratings - SCT X4 Power Flash Tuner Programmer for Ford Powerstroke 7.3, 6.0, 6.4, 6.7 7015
      $399.00
      or Best Offer
      FAST 'N FREE
      1,489 sold
    • TEIN S.TECH LOWERING SPRINGS for TOYOTA COROLLA 03-08

      TEIN S.TECH LOWERING SPRINGS for TOYOTA COROLLA 03-08

      $170.16
      Free shipping
      or Best Offer
      219 sold
    • Magnaflow Stainless Oval Muffler with Tip Race Series Inlet-Outlet 3in/4in 14834

      Magnaflow Stainless Oval Muffler with Tip Race Series Inlet-Outlet 3in/4in 14834

      $165.39
      Free shipping
      or Best Offer
      Only 2 left
    • Injen Performance Cold Air Intake for 12-16 BMW 328i 328xi N20 F30 2.0L SP1122WB

      Injen Performance Cold Air Intake for 12-16 BMW 328i 328xi N20 F30 2.0L SP1122WB

      5 out of 5 stars
      (11)11 product ratings - Injen Performance Cold Air Intake for 12-16 BMW 328i 328xi N20 F30 2.0L SP1122WB
      $369.79
      Free shipping
      or Best Offer
      138 sold
    • Innovate LM-2 LM2 AFR Wideband Meter Basic Kit (O2 sensor included)

      Innovate LM-2 LM2 AFR Wideband Meter Basic Kit (O2 sensor included)

      4.5 out of 5 stars
      (8)8 product ratings - Innovate LM-2 LM2 AFR Wideband Meter Basic Kit (O2 sensor included)
      $269.91
      Free shipping
      or Best Offer
      56 sold
    • SKUNK2 Timing Chain Cover Raw 04-08 Acura TSX/03-08 Honda Element K24A1/K24A2

      SKUNK2 Timing Chain Cover Raw 04-08 Acura TSX/03-08 Honda Element K24A1/K24A2

      $329.99
      Free shipping
      or Best Offer
      Only 2 left
    • Mishimoto Performance Aluminum Radiator for 88-99 BMW E30/E36/M3 MMRAD-E36-92

      Mishimoto Performance Aluminum Radiator for 88-99 BMW E30/E36/M3 MMRAD-E36-92

      4 out of 5 stars
      (4)4 product ratings - Mishimoto Performance Aluminum Radiator for 88-99 BMW E30/E36/M3 MMRAD-E36-92
      $270.95
      Free shipping
      or Best Offer
      67 sold
    • TurboXS SML Hybrid Blow Off Valve (BOV-SML) for Genesis, Veloster, SRT4, Optima

      TurboXS SML Hybrid Blow Off Valve (BOV-SML) for Genesis, Veloster, SRT4, Optima

      $172.09
      Free shipping
      or Best Offer
      101 sold
    • Bully Dog 40420 Triple GT Platinum Tuner Programmer for 99-16 Ford Powerstroke

      Bully Dog 40420 Triple GT Platinum Tuner Programmer for 99-16 Ford Powerstroke

      4.5 out of 5 stars
      (72)72 product ratings - Bully Dog 40420 Triple GT Platinum Tuner Programmer for 99-16 Ford Powerstroke
      $449.00
      or Best Offer
      FAST 'N FREE
      117 sold
    • TEIN S.TECH LOWERING SPRINGS ACURA TSX 04-08 CL9

      TEIN S.TECH LOWERING SPRINGS ACURA TSX 04-08 CL9

      $183.72
      Free shipping
      or Best Offer
      79 sold
    • MBRP S6200PLM 4" Turbo Back Exhaust fits 99-03 Ford F-250 F-350 Powerstroke 7.3L

      MBRP S6200PLM 4" Turbo Back Exhaust fits 99-03 Ford F-250 F-350 Powerstroke 7.3L

      4.5 out of 5 stars
      (10)10 product ratings - MBRP S6200PLM 4" Turbo Back Exhaust fits 99-03 Ford F-250 F-350 Powerstroke 7.3L
      $306.59
      Free shipping
      or Best Offer
      55 sold
    • Turbo XS Authentic Blow Off Valve - Type H-RFL (BOV-H-RFL) UNIVERSAL

      Turbo XS Authentic Blow Off Valve - Type H-RFL (BOV-H-RFL) UNIVERSAL

      $172.40
      Free shipping
      or Best Offer
      14 watching
    • HP Tuners MPVI2 VCM Suite Standard Fits GM Ford Dodge Nissan and MORE M02-000-00

      HP Tuners MPVI2 VCM Suite Standard Fits GM Ford Dodge Nissan and MORE M02-000-00

      4.5 out of 5 stars
      (19)19 product ratings - HP Tuners MPVI2 VCM Suite Standard Fits GM Ford Dodge Nissan and MORE M02-000-00
      $299.99
      Free shipping
      265 sold
    • Injen Performance Cold Air Intake for 12-16 BMW 328i 328xi N20 F30 2.0L SP1122P

      Injen Performance Cold Air Intake for 12-16 BMW 328i 328xi N20 F30 2.0L SP1122P

      5 out of 5 stars
      (9)9 product ratings - Injen Performance Cold Air Intake for 12-16 BMW 328i 328xi N20 F30 2.0L SP1122P
      $369.79
      Free shipping
      or Best Offer
      66 sold
    • AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge Kit 2 1/16" 30-0334

      AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge Kit 2 1/16" 30-0334

      4.5 out of 5 stars
      (4)4 product ratings - AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge Kit 2 1/16" 30-0334
      $226.09
      Free shipping
      or Best Offer
      92 sold
    • TEIN S.TECH LOWERING SPRINGS MITSUBISHI 3000GT 91-99

      TEIN S.TECH LOWERING SPRINGS MITSUBISHI 3000GT 91-99

      5 out of 5 stars
      (1)1 product ratings - TEIN S.TECH LOWERING SPRINGS MITSUBISHI 3000GT 91-99
      $216.46
      Free shipping
      or Best Offer
      Only 2 left
    • SKUNK2 Valve Cover Hardware Low Profile Clear B17A1/B18C1/B18C5/B16A2/B16A3

      SKUNK2 Valve Cover Hardware Low Profile Clear B17A1/B18C1/B18C5/B16A2/B16A3

      5 out of 5 stars
      (1)1 product ratings - SKUNK2 Valve Cover Hardware Low Profile Clear B17A1/B18C1/B18C5/B16A2/B16A3
      $66.54
      Free shipping
      or Best Offer
      Only 3 left
    • Turbosmart TS-0203-2002 Bypass Valve Block Off Plate for 2011-2015 Focus/F-150

      Turbosmart TS-0203-2002 Bypass Valve Block Off Plate for 2011-2015 Focus/F-150

      $34.71
      Free shipping
      or Best Offer
    • Turbosmart TS-0203-1021 Blow Off Valves Dual Port 20mm Inlet/Outlet

      Turbosmart TS-0203-1021 Blow Off Valves Dual Port 20mm Inlet/Outlet

      $175.27
      Free shipping
      or Best Offer
    • Turbo XS CatBack Exhaust System (RX8-CBE) for 2004-2011 Mazda RX-8 4dr R2 1.3L

      Turbo XS CatBack Exhaust System (RX8-CBE) for 2004-2011 Mazda RX-8 4dr R2 1.3L

      5 out of 5 stars
      (2)2 product ratings - Turbo XS CatBack Exhaust System (RX8-CBE) for 2004-2011 Mazda RX-8 4dr R2 1.3L
      $682.40
      Free shipping
      or Best Offer
      24 sold
    • Whiteline KSB550 Front Strut Tower Bar for 1990-2004 /Outback/Impreza/Forester

      Whiteline KSB550 Front Strut Tower Bar for 1990-2004 /Outback/Impreza/Forester

      5 out of 5 stars
      (8)8 product ratings - Whiteline KSB550 Front Strut Tower Bar for 1990-2004 /Outback/Impreza/Forester
      $132.84
      Free shipping
      or Best Offer
      47 sold
    • Whiteline BHR83XZ Heavy Duty Rear Sway Bar Link 22mm for 1996-2000 Honda Civic

      Whiteline BHR83XZ Heavy Duty Rear Sway Bar Link 22mm for 1996-2000 Honda Civic

      5 out of 5 stars
      (2)2 product ratings - Whiteline BHR83XZ Heavy Duty Rear Sway Bar Link 22mm for 1996-2000 Honda Civic
      $244.41
      Free shipping
      or Best Offer
      19 watching
    • SCT BDX Tuner Programmer for 11-18 Ford F-150 Trucks 2.7/3.5 EcoBoost V6, 5.0 V8

      SCT BDX Tuner Programmer for 11-18 Ford F-150 Trucks 2.7/3.5 EcoBoost V6, 5.0 V8

      4.5 out of 5 stars
      (27)27 product ratings - SCT BDX Tuner Programmer for 11-18 Ford F-150 Trucks 2.7/3.5 EcoBoost V6, 5.0 V8
      $399.00
      or Best Offer
      FAST 'N FREE
      120 sold
    • TEIN S.TECH LOWERING SPRINGS AUDI A4 QUATTRO 06-08 B7

      TEIN S.TECH LOWERING SPRINGS AUDI A4 QUATTRO 06-08 B7

      5 out of 5 stars
      (3)3 product ratings - TEIN S.TECH LOWERING SPRINGS AUDI A4 QUATTRO 06-08 B7
      $192.91
      Free shipping
      or Best Offer
      57 sold
    • Whiteline KSB590Q Rear Strut Tower Bar for 1995-2008 Subaru Forester/ Legacy

      Whiteline KSB590Q Rear Strut Tower Bar for 1995-2008 Subaru Forester/ Legacy

      5 out of 5 stars
      (1)1 product ratings - Whiteline KSB590Q Rear Strut Tower Bar for 1995-2008 Subaru Forester/ Legacy
      $155.66
      Free shipping
      or Best Offer
      49 watching
    • Skunk2 Sport Shocks (Front & Rear Set) 92-95 Honda Civic EG & 93-97 Del Sol

      Skunk2 Sport Shocks (Front & Rear Set) 92-95 Honda Civic EG & 93-97 Del Sol

      5 out of 5 stars
      (3)3 product ratings - Skunk2 Sport Shocks (Front & Rear Set) 92-95 Honda Civic EG & 93-97 Del Sol
      $283.11
      Free shipping
      or Best Offer
    • Skunk2 Cam Seal Honda/Acura B17A1 B18A1/B1/C1/C5 B16A2/A3 B20B/Z H22A1/A4 H23A1

      Skunk2 Cam Seal Honda/Acura B17A1 B18A1/B1/C1/C5 B16A2/A3 B20B/Z H22A1/A4 H23A1

      5 out of 5 stars
      (9)9 product ratings - Skunk2 Cam Seal Honda/Acura B17A1 B18A1/B1/C1/C5 B16A2/A3 B20B/Z H22A1/A4 H23A1
      $38.34
      Free shipping
      or Best Offer
      58 sold
    • Skunk2 Alpha Series 70mm Throttle Body B16 B17 B18 B20 D15 D16 F20 F22 H22 H23

      Skunk2 Alpha Series 70mm Throttle Body B16 B17 B18 B20 D15 D16 F20 F22 H22 H23

      5 out of 5 stars
      (56)56 product ratings - Skunk2 Alpha Series 70mm Throttle Body B16 B17 B18 B20 D15 D16 F20 F22 H22 H23
      $123.24
      Free shipping
      or Best Offer
    • Bully Dog GT Gas Tuner for 99-16 Chevy Silverado/GMC Sierra 1500 5.3L V8 40417

      Bully Dog GT Gas Tuner for 99-16 Chevy Silverado/GMC Sierra 1500 5.3L V8 40417

      4.5 out of 5 stars
      (43)43 product ratings - Bully Dog GT Gas Tuner for 99-16 Chevy Silverado/GMC Sierra 1500 5.3L V8 40417
      $429.00
      or Best Offer
      FAST 'N FREE
      103 sold
    • TEIN S.TECH LOWERING SPRINGS HONDA CIVIC 96-00

      TEIN S.TECH LOWERING SPRINGS HONDA CIVIC 96-00

      4.5 out of 5 stars
      (11)11 product ratings - TEIN S.TECH LOWERING SPRINGS HONDA CIVIC 96-00
      $163.94
      Free shipping
      or Best Offer
      14 watching
    • Borla 20116 Exhaust Chrome Tip Single Square Angle Cut Intercooled 2.5"

      Borla 20116 Exhaust Chrome Tip Single Square Angle Cut Intercooled 2.5"

      $68.39
      Free shipping
      or Best Offer
      18 watching
    • Whiteline KBR18-22 Rear Sway Bar Mount Kit 22mm for 1998-08 Subaru Forester 2.5L

      Whiteline KBR18-22 Rear Sway Bar Mount Kit 22mm for 1998-08 Subaru Forester 2.5L

      4 out of 5 stars
      (1)1 product ratings - Whiteline KBR18-22 Rear Sway Bar Mount Kit 22mm for 1998-08 Subaru Forester 2.5L
      $130.69
      Free shipping
      or Best Offer
      22 watching
    • Skunk2 Sport Shocks (Front & Rear Set) 96-00 Honda Civic EK

      Skunk2 Sport Shocks (Front & Rear Set) 96-00 Honda Civic EK

      5 out of 5 stars
      (4)4 product ratings - Skunk2 Sport Shocks (Front & Rear Set) 96-00 Honda Civic EK
      $283.11
      Free shipping
      or Best Offer
    • Turbosmart TS-0203-1222 Blow Off Valves Plumb Back 25mm Inlet/Outlet

      Turbosmart TS-0203-1222 Blow Off Valves Plumb Back 25mm Inlet/Outlet

      5 out of 5 stars
      (3)3 product ratings - Turbosmart TS-0203-1222 Blow Off Valves Plumb Back 25mm Inlet/Outlet
      $129.14
      Free shipping
      or Best Offer
    • Turbo XS Blow Off Valve - Type XS Hybrid (W15-XS-HYB) for 2015 Subaru WRX

      Turbo XS Blow Off Valve - Type XS Hybrid (W15-XS-HYB) for 2015 Subaru WRX

      5 out of 5 stars
      (13)13 product ratings - Turbo XS Blow Off Valve - Type XS Hybrid (W15-XS-HYB) for 2015 Subaru WRX
      $203.33
      Free shipping
      or Best Offer
    • H&R SPORT LOWERING SPRINGS 2006-2011 BMW 325Xi 330Xi 328Xi 335Xi SEDAN E90

      H&R SPORT LOWERING SPRINGS 2006-2011 BMW 325Xi 330Xi 328Xi 335Xi SEDAN E90

      5 out of 5 stars
      (3)3 product ratings - H&R SPORT LOWERING SPRINGS 2006-2011 BMW 325Xi 330Xi 328Xi 335Xi SEDAN E90
      $270.93
      Free shipping
      or Best Offer
      69 sold
    • SKUNK2 Radiator Hose Kit 06-11 Honda Civic SI FA5 FG2

      SKUNK2 Radiator Hose Kit 06-11 Honda Civic SI FA5 FG2

      5 out of 5 stars
      (1)1 product ratings - SKUNK2 Radiator Hose Kit 06-11 Honda Civic SI FA5 FG2
      $95.96
      Free shipping
      or Best Offer
    • MBRP 4" to 6" Rolled End Angled Cut Black Exhaust Tip T5130BLK

      MBRP 4" to 6" Rolled End Angled Cut Black Exhaust Tip T5130BLK

      $109.99
      Free shipping
      or Best Offer
      9 watching
    • Skunk2 Sport Shocks (Front & Rear Set) 94-01 Acura Integra DC2 DC4

      Skunk2 Sport Shocks (Front & Rear Set) 94-01 Acura Integra DC2 DC4

      5 out of 5 stars
      (3)3 product ratings - Skunk2 Sport Shocks (Front & Rear Set) 94-01 Acura Integra DC2 DC4
      $283.26
      Free shipping
      or Best Offer
    • Injector Dynamics ID1050X Injectors for Subaru WRX 02-14, STI 07-17, Forester XT

      Injector Dynamics ID1050X Injectors for Subaru WRX 02-14, STI 07-17, Forester XT

      5 out of 5 stars
      (2)2 product ratings - Injector Dynamics ID1050X Injectors for Subaru WRX 02-14, STI 07-17, Forester XT
      $520.00
      or Best Offer
      FAST 'N FREE
    • TEIN S.TECH LOWERING SPRINGS LEXUS IS300 00-05 SEDAN

      TEIN S.TECH LOWERING SPRINGS LEXUS IS300 00-05 SEDAN

      5 out of 5 stars
      (3)3 product ratings - TEIN S.TECH LOWERING SPRINGS LEXUS IS300 00-05 SEDAN
      $197.87
      Free shipping
      or Best Offer
    • Borla Performance Muffler - Boomer - Boomer Muffler Thumper Style Oval (40057)

      Borla Performance Muffler - Boomer - Boomer Muffler Thumper Style Oval (40057)

      4.5 out of 5 stars
      (3)3 product ratings - Borla Performance Muffler - Boomer - Boomer Muffler Thumper Style Oval (40057)
      $204.80
      Free shipping
      or Best Offer
    • Mishimoto Racing Thermostat - Racing Thermostat 71 C / 160 F (MMTS-GM-92L)

      Mishimoto Racing Thermostat - Racing Thermostat 71 C / 160 F (MMTS-GM-92L)

      5 out of 5 stars
      (2)2 product ratings - Mishimoto Racing Thermostat - Racing Thermostat 71 C / 160 F (MMTS-GM-92L)
      $29.30
      Free shipping
      or Best Offer
    • TEIN S.TECH LOWERING SPRINGS HONDA CIVIC COUPE 2DR 01-05 EM2 SKA22-AUB00

      TEIN S.TECH LOWERING SPRINGS HONDA CIVIC COUPE 2DR 01-05 EM2 SKA22-AUB00

      4.5 out of 5 stars
      (6)6 product ratings - TEIN S.TECH LOWERING SPRINGS HONDA CIVIC COUPE 2DR 01-05 EM2 SKA22-AUB00
      $170.83
      Free shipping
      or Best Offer
      56 sold
    • Borla 40941 XR-1 Stainless Sportsman Racing Muffler Oval 2.5" Inlet 2.5" Outlet

      Borla 40941 XR-1 Stainless Sportsman Racing Muffler Oval 2.5" Inlet 2.5" Outlet

      $153.15
      Free shipping
      or Best Offer
      26 sold

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