Welcome to 420 Performance (formerly In Stock Garage)
At 420 Performance, we
specialize in performance parts designed to dominate the road course. While our
primary focus is on enhancing the capabilities of Mustangs, we proudly offer a
wide range of parts for most makes and models. Whether you’re a weekend racer
or a dedicated track enthusiast, we’re here to help you elevate your
performance to the next level
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Popular Vehicles
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aFe Takeda Stage-2 Pro 5R Cold Air Intake System 13-18 Nissan Altima I4 2.5L- Regular price
- $336.00
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- Sale price
- $336.00
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Large 3-Layer Performance Air Filter: This intake system utilizes an oil-free, large 6" tall conical 360 degree radial flow performance air filter with 3-Layer progressively finer porosity syntheti... -
SLP 2008-2013 Chevrolet Corvette LS3/LS7 Blackwing Cold-Air Induction Package
- Regular price
- $349.99
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- Sale price
- $349.99
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Cold-Air Induction, 08-13 C6 Corvette/2010-13 Grand Sport/2006-13 Z06 Blackwing -
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SLP 2000-2002 Chevrolet Camaro/Firebird LS1 FlowPac Cold-Air Induction Package- Regular price
- $389.99
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- Sale price
- $389.99
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SLP 2000-2002 Chevrolet Camaro/Firebird LS1 FlowPac Cold-Air Induction Package -
SLP 1998-1999 Chevrolet Camaro/Firebird LS1 FlowPac Cold-Air Induction Package
- Regular price
- $379.99
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- Sale price
- $379.99
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SLP 1998-1999 Chevrolet Camaro/Firebird LS1 FlowPac Cold-Air Induction Package -
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K&N 19-24 Chevy Silverado (5.3L/6.2L V8) NextGen Cold Air Intake- Regular price
- $399.99
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- Sale price
- $399.99
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This K&N NextGen cold air intake system is engineered for CHEV. SILVERADO 1500; V8-5.3/6.2L F/I. A high-density polyethylene (HDPE) rotationally molded tube helps increase the volume of airflow... -
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K&N 21-24 Ford F150 (3.5L V6) NextGen Cold Air Intake- Regular price
- $425.99
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- Sale price
- $425.99
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This K&N NextGen cold air intake system is engineered for your FORD F150/RAPTOR V6-2.7/3.5L F/I. A high-density polyethylene (HDPE) rotationally molded tube helps increase the volume of airflow... -
Injen 23-24 Ford Bronco V6-2.7L EcoBoost Evolution Intake
- Regular price
- $499.95
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- Sale price
- $499.95
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Injen Technology's new EVO9302 Cold Air Intake for the 2021-2024 Ford Bronco's equipped with the 2.7L V6 EcoBoost engine is here and one look at the stats of this intake system and you'll know that... -
Corsa 2018-2023 Ford Mustang GT 5.0L V8 Carbon Fiber Air Intake w/ Oiled Air Filter
- Regular price
- $745.00
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$852.50 - Sale price
- $745.00
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The CORSA Performance 2018+ Ford Mustang GT Carbon Fiber Cold Air Intake features a pure 100% carbon fiber air duct and is paired with CORSA's full enclosed airbox blending aesthetics and engineeri...
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SaleBorla 05-19 Nissan Frontier 4.0L V6 AT/MT Regular Cab S-type Exhaust (2wd/4wd)- Regular price
- $767.99
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$859.99 - Sale price
- $767.99
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The Borla team has developed an awesome sounding exhaust system for the 2005-2019 Nissan Frontier. The Cat-Back system comes in the S-Type sound level and is specifically tuned for performance and ... -
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SLP 1996-2010 Ford 4.6L High-Flow Catalytic Converter - Pair- Regular price
- $299.99
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- Sale price
- $299.99
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SLP 1996-2010 Ford 4.6L High-Flow Catalytic Converter - Pair -
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SLP 2009-2013 Chevrolet Corvette LS3 LoudMouth II Cat-Back Exhaust System- Regular price
- $929.99
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- Sale price
- $929.99
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SLP 2009-2013 Chevrolet Corvette LS3 LoudMouth II Cat-Back Exhaust System -
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SLP 1998=2002 Chevrolet Camaro LS1 LoudMouth Cat-Back Exhaust System w/ 3.5in Slash Cut Tips- Regular price
- $549.99
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- Sale price
- $549.99
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SLP 1998=2002 Chevrolet Camaro LS1 LoudMouth Cat-Back Exhaust System w/ 3.5in Slash Cut Tips -
SLP 1998-2002 Chevrolet Camaro LS1 LoudMouth Cat-Back Exhaust System w/ 3.5in Dual Tips
- Regular price
- $599.99
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- Sale price
- $599.99
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SLP 1998-2002 Chevrolet Camaro LS1 LoudMouth Cat-Back Exhaust System w/ 3.5in Dual Tips -
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SLP Universal LoudMouth II 2.5in Inlet / Outlet Bullet-Type Muffler- Regular price
- $119.99
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- Sale price
- $119.99
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SLP Universal LoudMouth II 2.5in Inlet / Outlet Bullet-Type Muffler -
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SaleAWE Tuning 18-23 Dodge Durango SRT & Hellcat Track-to-Touring Conversion Kit- Regular price
- $738.16
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$868.42 - Sale price
- $738.16
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The AWE Track-to-Touring Conversion Kit for the Dodge Durango 6.4 / 6.2 SC allows you to easily switch from AWE’s rowdy Track Edition to the more refined Touring Edition, featuring AWE’s patent... -
AWE Tuning Audi 8V A3 Touring Edition Exhaust - Dual Outlet Diamond Black 90 mm Tips
- Regular price
- $1,570.26
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$1,847.37 - Sale price
- $1,570.26
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Engineered, designed, and manufactured in-house at AWE3†CNC mandrel bent systemMax gains of 26 hp and 24 lb-ft of torque at the crank (with DP)90mm double walled adjustable tips, diamond blackHa...
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SaleEibach 21-24 Hyundai Elantra N-Line CN7 Pro-Kit- Regular price
- $355.00
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$394.44 - Sale price
- $355.00
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The Eibach PRO-KIT is a premium line of lowering springs designed to enhance the performance and appearance of your vehicle. Whether you're a car enthusiast looking to improve the handling of your ... -
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Whiteline 2015 VW Golf MK7-R Performance Lowering Springs- Regular price
- $333.88
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- Sale price
- $333.88
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Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. By lowering the vehicles centre of gravity, the unique combination of linear and p... -
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Whiteline 2015 VW Golf MK7 GTI/GTD Performance Lowering Springs- Regular price
- $333.88
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- Sale price
- $333.88
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Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. By lowering the vehicles centre of gravity, the unique and progressive rate coil d... -
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Whiteline 2015+ Subaru STI Performance Lowering Springs- Regular price
- $339.88
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- Sale price
- $339.88
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Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. By lowering the vehicles centre of gravity, the unique combination of linear and p... -
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Whiteline 2014 Subaru Impreza WRX STI Limited Hatchback Performance Lowering Springs- Regular price
- $339.88
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- Sale price
- $339.88
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Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. By lowering the vehicles centre of gravity, the unique combination of linear and p... -
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Whiteline 04-07 Subaru STi Performance Lowering Springs- Regular price
- $342.88
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- Sale price
- $342.88
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Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. By lowering the vehicles centre of gravity, the unique combination of linear and p... -
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Whiteline 04-07 Subaru Impreza WRX GD2 Performance Lowering Springs- Regular price
- $346.88
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- Sale price
- $346.88
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Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. By lowering the vehicles centre of gravity, the unique combination of linear and p... -
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Whiteline 08-16 Mitsubishi Lancer Performance Lowering Springs- Regular price
- $339.88
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- Sale price
- $339.88
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Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. This kit contains 3.4kg/mm (190lb/in) front rated springs that provide a 35mm drop...
SPECIAL PRODUCTS
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![2021+ BMW G80 M3 License Plate Relocation Kit]()
![2021+ BMW G80 M3 License Plate Relocation Kit]()
Sale2021+ BMW G80 M3 License Plate Relocation Kit- Regular price
- $79.95
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$88.00 - Sale price
- $79.95
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BMW designers poured hours of time into the front end of the G8X M3 and M4, crafting every duct and body line to flow seamlessly with the rest of the car…then your local dealership spent 5 minute... -
![3D MAXpider 11-19 Nissan Leaf Kagu Cargo Liner - Black]()
![3D MAXpider 11-19 Nissan Leaf Kagu Cargo Liner - Black]()
3D MAXpider 11-19 Nissan Leaf Kagu Cargo Liner - Black- Regular price
- $79.16
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- Sale price
- $79.16
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3D MAXpider proudly offers you the highest quality floor liners and cargo liners with patented MAXpider fiber backing and innovative 3-layer construction. -
![3D MAXpider 1998-2011 Ford Ranger Regular Cab/Supercab Kagu 1st Row Floormat - Black]()
![3D MAXpider 1998-2011 Ford Ranger Regular Cab/Supercab Kagu 1st Row Floormat - Black]()
Sale3D MAXpider 1998-2011 Ford Ranger Regular Cab/Supercab Kagu 1st Row Floormat - Black- Regular price
- $97.99
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$103.14 - Sale price
- $97.99
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Unlike the traditional floor mats with heavy weights, commercial rubbery looking; 3D MAXpider custom-fit floor mats are the revolutionary interior protection for your vehicles with an innovative, u... -
![3D MAXpider 20-23 Tesla Model Y 2nd Row Seatback Protector Kagu Cargo Liner - Black]()
![3D MAXpider 20-23 Tesla Model Y 2nd Row Seatback Protector Kagu Cargo Liner - Black]()
Sale3D MAXpider 20-23 Tesla Model Y 2nd Row Seatback Protector Kagu Cargo Liner - Black- Regular price
- $96.99
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$101.64 - Sale price
- $96.99
- Unit price
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3D MAXpider proudly offers you the highest quality floor liners and cargo liners with patented MAXpider fiber backing and innovative 3-layer construction.
