Circuit Spec R

Showing 1 to 21 of 82 items
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Tomei Expreme Ti Titanium Single Exit Exhaust - Mustang S550 2.3T EcoBoost (2015+) Tomei Expreme Ti Titanium Single Exit Exhaust - Mustang S550 2.3T EcoBoost (2015+)

Circuit Spec R

Tomei Expreme Ti Titanium Single Exit Exhaust - Mustang S550 2.3T EcoBoost (2015+)

-5%

$1,225.50

$1,290.00

TB6090-FR01A - Tomei Expreme Ti Titanium Single Exit Exhaust - Mustang S550 2.3T EcoBoost (2015+)   ORIGINAL TITANIUM MATERIAL LIGHTWEIGHT STRONG DURABLE   Sourcing our own raw materials allows us to significantly improve quality whilst...
New
GrimmSpeed Engine Motor Mount Kit - Subaru WRX VB (2022+) GrimmSpeed Engine Motor Mount Kit - Subaru WRX VB (2022+)

Circuit Spec R

GrimmSpeed Engine Motor Mount Kit - Subaru WRX VB (2022+)

$309.00

GRM123078STR - GrimmSpeed Engine Motor Mount Kit - Subaru WRX VB (2022+) Lock Down Your Drivetrain for More Predictable Shifting! The GrimmSpeed Subaru Engine Mount Kit offers a game changing upgrade for Subaru WRX owners, delivering precision, performance,...
New
GrimmSpeed Red Engine Bay Radiator Fan Shroud Kit - Subaru WRX VB (2022+) GrimmSpeed Red Engine Bay Radiator Fan Shroud Kit - Subaru WRX VB (2022+)

Circuit Spec R

GrimmSpeed Red Engine Bay Radiator Fan Shroud Kit - Subaru WRX VB (2022+)

$130.00

GRM113090RED - GrimmSpeed Red Engine Bay Radiator Fan Shroud Kit - Subaru WRX VB (2022+) GrimmSpeed's Engine Bay Shrouds have been a favorite amongst Subaru Enthusiasts for nearly a decade due to their minimal design...
New
GrimmSpeed Black Engine Bay Radiator Fan Shroud Kit - Subaru WRX VB (2022+) GrimmSpeed Black Engine Bay Radiator Fan Shroud Kit - Subaru WRX VB (2022+)

Circuit Spec R

GrimmSpeed Black Engine Bay Radiator Fan Shroud Kit - Subaru WRX VB (2022+)

$130.00

GRM113090BLK - GrimmSpeed Black Engine Bay Radiator Fan Shroud Kit - Subaru WRX VB (2022+) GrimmSpeed's Engine Bay Shrouds have been a favorite amongst Subaru Enthusiasts for nearly a decade due to their minimal design...
Cobb Tuning Stainless Steel Cat Back Exhaust System - Ford F-150 Ecboost (2017-2020) Cobb Tuning Stainless Steel Cat Back Exhaust System - Ford F-150 Ecboost (2017-2020)

Circuit Spec R

Cobb Tuning Stainless Steel Cat Back Exhaust System - Ford F-150 Ecboost (2017-2020)

$985.00

5F1100 - Cobb Tuning Stainless Steel Cat Back Exhaust System - Ford F-150 Ecboost (2017-2020) Compatible with SuperCrew w/ 5.5' Bed or SuperCab with 6.5' BedThe COBB Cat-Back Exhaust for the EcoBoost F-150 is constructed...
COBB Tuning Cat-Back Exhaust System - Ford F-150 Ecoboost 2.7L & 3.5L (2021-2025) COBB Tuning Cat-Back Exhaust System - Ford F-150 Ecoboost 2.7L & 3.5L (2021-2025)

Circuit Spec R

COBB Tuning Cat-Back Exhaust System - Ford F-150 Ecoboost 2.7L & 3.5L (2021-2025)

$985.00

5F2100 - COBB Tuning Cat-Back Exhaust System - Ford F-150 Ecoboost 2.7L & 3.5L (2021-2025) Emissions This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. Description Compatible with...
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Skunk2 Racing Ultra Radiator w/ Oil Cooler & Plumbing - 86 / BRZ/ FR-S/ GT86 Skunk2 Racing Ultra Radiator w/ Oil Cooler & Plumbing - 86 / BRZ/ FR-S/ GT86

Circuit Spec R

Skunk2 Racing Ultra Radiator w/ Oil Cooler & Plumbing - 86 / BRZ/ FR-S/ GT86

-5%

$787.03

$828.45

349-12-5005 - Skunk2 Racing Ultra Radiator w/ Oil Cooler & Plumbing - 86 / BRZ/ FR-S/ GT86 Skunk2’s all-aluminum, Ultra Series Radiator for the 2013+ Subaru BRZ, Scion FRS, and Toyota FT86 is a direct-fit...
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Skunk2 Racing Drag Spec Pro-S II Coilovers - Honda Civic EG/EK (1992-2000) Skunk2 Racing Drag Spec Pro-S II Coilovers - Honda Civic EG/EK (1992-2000)

Circuit Spec R

Skunk2 Racing Drag Spec Pro-S II Coilovers - Honda Civic EG/EK (1992-2000)

-10%

$900.00

$1,000.45

541-05-5005 - Skunk2 Racing Drag Spec Pro-S II Coilovers - Honda Civic EG/EK (1992-2000) The Skunk2 Pro-S II Drag Spec Coilovers is a full suspension kit that uses the same proven monotube construction as our...
Phase 2 Motortrend (P2M) Race Carpet Floor Mats 3pc Set - BMW G20 G280 3 Series & M3 (2019+) Phase 2 Motortrend (P2M) Race Carpet Floor Mats 3pc Set - BMW G20 G280 3 Series & M3 (2019+)

Circuit Spec R

Phase 2 Motortrend (P2M) Race Carpet Floor Mats 3pc Set - BMW G20 G280 3 Series & M3 (2019+)

$110.00

P2-CPTG2080FRDG-TP - Phase 2 Motortrend (P2M) Race Carpet Floor Mats 3pc Set - BMW G20 G280 3 Series & M3 (2019+) This listing is for a brand new set of P2M USDM spec (LHD) interior...
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NRG Innovations 350mm 3" Deep Dish w/ Holes - Black Leather - Blue Spokes NRG Innovations 350mm 3" Deep Dish w/ Holes - Black Leather - Blue Spokes

Circuit Spec R

NRG Innovations 350mm 3" Deep Dish w/ Holes - Black Leather - Blue Spokes

-25%

$110.00

$145.99

RST-006BL - NRG Innovations 350mm 3" Deep Dish w/ Holes - Black Leather - Blue Spokes Our classic 75mm deep, 350mm diameter racing steering wheels. Reinforced with 5mm thick spokes, and guaranteed to out perform...
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NRG Innovations 350mm 3" Deep Dish w/ Holes - Black Leather - Yellow Center Mark NRG Innovations 350mm 3" Deep Dish w/ Holes - Black Leather - Yellow Center Mark

Circuit Spec R

NRG Innovations 350mm 3" Deep Dish w/ Holes - Black Leather - Yellow Center Mark

-25%

$110.00

$145.99

RST-006BK-Y - NRG Innovations 350mm 3" Deep Dish w/ Holes - Black Leather - Yellow Center Mark Our classic 75mm deep, 350mm diameter racing steering wheels. Reinforced with 5mm thick spokes, and guaranteed to out...
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Eibach Sportline Lowering Springs - Toyota Corolla Hatchback (2019+) Eibach Sportline Lowering Springs - Toyota Corolla Hatchback (2019+)

Circuit Spec R

Eibach Sportline Lowering Springs - Toyota Corolla Hatchback (2019+)

-15%

$375.25

$439.24

Eibach's SPORTLINE-KIT delivers maximum handling performance with lower center-of-gravity and track focused spring design, without compromising ride quality. Extreme Performance Meets Extreme Style. Race-Car Like Handling. Lower Center of Gravity. Stop Quicker, Corner Faster and...
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Megan Racing OEM Replacement Rear Balljoints - Mitsubishi Lancer Evolution EVO 8/9 (2003-2007) Megan Racing OEM Replacement Rear Balljoints - Mitsubishi Lancer Evolution EVO 8/9 (2003-2007)

Circuit Spec R

Megan Racing OEM Replacement Rear Balljoints - Mitsubishi Lancer Evolution EVO 8/9 (2003-2007)

-4%

$109.95

$115.00

Replacement rear balljoint for the Evo 8 and 9. Direct replacement of OEM. Applications:-Mitsubishi Lancer Evolution 8/9 2003-2007 Specifications and Features:- Location: Rear- OEM Replacement- 1-Year Warranty Against Manufacturer Defects
Tomei Fuel Pressure Regulator Adapter Part No.5 - Mistubishi Lancer Evo / Evolution X 4B11 Tomei Fuel Pressure Regulator Adapter Part No.5 - Mistubishi Lancer Evo / Evolution X 4B11

Circuit Spec R

Tomei Fuel Pressure Regulator Adapter Part No.5 - Mistubishi Lancer Evo / Evolution X 4B11

$38.00

Compatibility: Chassis: CZ4A Engine: 4B11 Note: Previous Part#: 185110
TOMEI Adjustable Fuel Pressure Regulator FPR Gauge ONLY - Universal TOMEI Adjustable Fuel Pressure Regulator FPR Gauge ONLY - Universal

Circuit Spec R

TOMEI Adjustable Fuel Pressure Regulator FPR Gauge ONLY - Universal

$48.00

Necessary Itemfor Fuel Pressure Adjustment For proper setting of fuel pressure, important thing is securing fuel's most suitable flow rate and atomization characteristics. The TOMEI Fuel Pressure Gauge is very simple and easy to use,...
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ISR Performance RS3871 Turbo - T2 - .64ar (Similar to GT2871R) - Nissan 240sx SR20DET ISR Performance RS3871 Turbo - T2 - .64ar (Similar to GT2871R) - Nissan 240sx SR20DET

Circuit Spec R

ISR Performance RS3871 Turbo - T2 - .64ar (Similar to GT2871R) - Nissan 240sx SR20DET

-5%

$731.50

$770.00

ISR RS3871 Turbo - T2 - .64ar (Similar to GT2871R) - SR20DET ISR Has just released their newest turbo upgrade option for the SR20DET. This is a great inexpensive upgraded turbo for your SR20DET.Virtually identical...
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GodSpeed Project (GSP) Adjustable Front Lower Control A-Arms Set - Ford Mustang (1994-2004) GodSpeed Project (GSP) Adjustable Front Lower Control A-Arms Set - Ford Mustang (1994-2004)

Circuit Spec R

GodSpeed Project (GSP) Adjustable Front Lower Control A-Arms Set - Ford Mustang (1994-2004)

-15%

$297.50

$350.00

Godspeed adjustable control arms for foreign and domestic vehicles are engineered for structural and corrosion protection. Made for easy to install with precision tolerances giving you a perfect fit right out of the box.  Perfect...
-1%
Roush Active Axleback Exhaust System - Ford Mustang 5.0L GT (2018-2023) Roush Active Axleback Exhaust System - Ford Mustang 5.0L GT (2018-2023)

Circuit Spec R

Roush Active Axleback Exhaust System - Ford Mustang 5.0L GT (2018-2023)

-1%

$2,179.99

$2,199.99

Product highlights for the Roush 2018-2023 Mustang Exhaust for Ford Active System: Give your 2018-2023 5.0L Mustang GT with Ford Active Exhaust an extra boost in performance, an aggressive race-inspired sound and powerful looks with this...
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Mishimoto Plastic Bumper License Plate Relocation Kit - Ford Bronco (2021+) Mishimoto Plastic Bumper License Plate Relocation Kit - Ford Bronco (2021+)

Circuit Spec R

Mishimoto Plastic Bumper License Plate Relocation Kit - Ford Bronco (2021+)

-9%

$82.95

$91.00

Auto manufacturers have a knack for placing license plates in the most unusual locations, often ruining vehicle aesthetics and, in some instances, impacting vehicle performance. The 2021+ Bronco mounts the front license place in an...
-9%
Mishimoto Modular Bumper License Plate Relocation Kit - Ford Bronco (2021+) Mishimoto Modular Bumper License Plate Relocation Kit - Ford Bronco (2021+)

Circuit Spec R

Mishimoto Modular Bumper License Plate Relocation Kit - Ford Bronco (2021+)

-9%

$82.95

$91.00

Auto manufacturers have a knack for placing license plates in the most unusual locations, often ruining vehicle aesthetics and, in some instances, impacting vehicle performance. The 2021+ Bronco mounts the front license place in an...
-37%
REV9 Bolt on FMIC Aluminum Front Mount Intercooler - Silver - Ford Mustang S550 2.3L Eco Boost (2015-2023) REV9 Bolt on FMIC Aluminum Front Mount Intercooler - Silver - Ford Mustang S550 2.3L Eco Boost (2015-2023)

Circuit Spec R

REV9 Bolt on FMIC Aluminum Front Mount Intercooler - Silver - Ford Mustang S550 2.3L Eco Boost (2015-2023)

-37%

$315.00

$500.00

Ford Mustang 2.3L EcoBoost 15-23 Bolt-On Upgrade Intercooler Kit Compatibility: Compatible with Ford Mustang 2.3L EcoBoost 15 16 17 18 19 20 21 22 23 Gain horsepower and instant performance upgrade with Rev9Power's Ford Mustang...