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
Shop
Popular Vehicles
Popular Product Categories
-
![Photo - Primary]()
![Photo - Mounted]()
aFe 23-24 Ford F150 Raptor R Supercharged Red Carbon Track Series Air Intake w/ P5R Filter (MOQ 24)- Regular price
- $896.00
- Regular price
-
- Sale price
- $896.00
- Unit price
- per
aFe POWER Track Series Intake Systems, the pinnacle of innovation in open-element intakes. Designed using cutting-edge tech and crafted with premium materials, they undergo rigorous testing to ensu... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 23-24 Ford F150 Raptor R V8 5.2L Supercharged Track Series Air Intake w/ PDS Filter- Regular price
- $836.00
- Regular price
-
- Sale price
- $836.00
- Unit price
- per
aFe POWER Track Series Intake Systems, the pinnacle of innovation in open-element intakes. Designed using cutting-edge tech and crafted with premium materials, they undergo rigorous testing to ensu... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 22-23 Subaru WRX Takeda Momentum Cold Air Intake System w/ Pro 5R Filter- Regular price
- $420.00
- Regular price
-
- Sale price
- $420.00
- Unit price
- per
This 6†tall 360-degree radial flow air filter features a 3.5" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance. It provide... -
AFE Subaru WRX 22-24 H4-2.4L Momentum Cold Air Intake
- Regular price
- $433.00
- Regular price
-
- Sale price
- $433.00
- Unit price
- per
This 6†tall 360-degree radial flow air filter features a 3.5" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provi... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 22-23 Hyundai Kona N L4 2.0L(t) Takeda Momentum Cold Air Intake System w/ Pro 5R Filter- Regular price
- $408.00
- Regular price
-
- Sale price
- $408.00
- Unit price
- per
Momentum’s innovative filter-to-housing interface was built to feature the largest air filter possible. This 9†tall 360-degree radial flow air filter features a 5" flange and our pre-oiled Pro... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 22-23 Hyundai Kona N L4 2.0L(t) Takeda Momentum Cold Air Intake System w/ Pro DRY S Filter- Regular price
- $420.00
- Regular price
-
- Sale price
- $420.00
- Unit price
- per
Momentum’s unique filter-to-housing interface was built to feature the largest air filter possible. This 9†tall 360-degree radial flow air filter features a 5" flange and our oil-free Pro DRY ... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 22-23 Kia Stinger L4 2.5L (t) Takeda Stage-2 Cold Air Intake System w/ Pro 5R Filter- Regular price
- $361.00
- Regular price
-
- Sale price
- $361.00
- Unit price
- per
This 360-degree radial flow air filter features a 4" flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance. It provides your engin... -
![Photo - Primary]()
![Photo - Unmounted]()
aFe 21-24 Ford F-150 V6/V8 Dynamic Air Scoop w/ Pro DRY S Filter (D.A.S. PLUS)- Regular price
- $125.00
- Regular price
-
- Sale price
- $125.00
- Unit price
- per
aFe POWER D.A.S. PLUS induction utilizes a large inlet to guide cool ambient air from the front grill directly into your intake system. When combined with the aFe POWER high-performance drop-in fil...
-
![Photo - Primary]()
![Photo - Mounted]()
aFe Apollo GT Series 3in 409 SS Muffler Delete Pipe 2019 GM Silverado/Sierra 1500 V8-6.2L- Regular price
- $137.00
- Regular price
-
- Sale price
- $137.00
- Unit price
- per
This system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Free-flowing, 3 IN stainless steel tubing replaces the stock muffler producing a deep... -
![Photo - Primary]()
![Photo - Mounted]()
aFe Apollo GT Series 3in 409 Stainless Steel Muffler Upgrade 2019 GM Silverado/Sierra 1500 V8-6.2L- Regular price
- $236.00
- Regular price
-
- Sale price
- $236.00
- Unit price
- per
This system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producing a deep sound ... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 2024 Toyota Tacoma L4 2.4L Apollo Series 2.5-3in 409 SS Steel Cat-Back Exhaust w/Polished Tips- Regular price
- $657.00
- Regular price
-
- Sale price
- $657.00
- Unit price
- per
This cat-back exhaust system is constructed of 2-1/2 IN - 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muff... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 2024 Toyota Tacoma L4 2.4L Apollo Series 2.5-3in 409 SS Steel Cat-Back Exhaust w/Black Tips- Regular price
- $680.00
- Regular price
-
- Sale price
- $680.00
- Unit price
- per
This cat-back exhaust system is constructed of 2-1/2 IN - 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muff... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 21-24 Ford Bronco Apollo GT Series 3 IN 409 Stainless Steel Hi-Tuck Axle-Back Exhaust- Regular price
- $395.00
- Regular price
-
- Sale price
- $395.00
- Unit price
- per
This axle-back exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 304 stainless steel muffler, produ... -
![Photo - Primary]()
![Photo - Mounted]()
aFe Takeda 3 IN 304 Stainless Steel Mid-Pipe Hyundai Elantra N 22-23 L4-2.0L (t)- Regular price
- $613.00
- Regular price
-
- Sale price
- $613.00
- Unit price
- per
This mid-pipe exhaust system is constructed of 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system produces a throaty sound unleashing all available horsep... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 17-21 Alfa Romeo Giulia L4-2.0L (t) Mach Force-Xp 2in to 2-1/2in 304SS Axle-Back Exhaust- Regular price
- $535.00
- Regular price
-
- Sale price
- $535.00
- Unit price
- per
This system produced gains of up to +10 HP and +12 lbs. x Ft. TQ., as measured on our in-house dyno. This axle-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel... -
![Photo - Primary]()
![Photo - Mounted]()
aFe 14-15 Infiniti Q50 V6 3.7L Takeda 2-1/2in 304 SS Cat-Back Exhaust System w/ Blue Flame Tips- Regular price
- $1,528.00
- Regular price
-
- Sale price
- $1,528.00
- Unit price
- per
This cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features high-flow 304 stainless steel polished muff...
-
![Steeda Mustang Sport Lowering Springs - Convertible (2005-2014) - SKU: 555-8220]()
Steeda Mustang Sport Lowering Springs - Convertible (2005-2014) - SKU: 555-8220- Regular price
- $379.95
- Regular price
-
- Sale price
- $379.95
- Unit price
- per
Transform the look and performance of your Mustang Convertible with the Steeda Sport Lowering Springs. Designed for 2005-2014 models, these springs lower the vehicle approximately 1" in the front a... -
![User 1]()
H&R 20-23 Audi RS6 Avant VTF Adjustable Lowering Springs- Regular price
- $1,880.00
- Regular price
-
- Sale price
- $1,880.00
- Unit price
- per
H&R 20-23 Audi RS6 Avant VTF Adjustable Lowering Springs -
![Photo - Primary]()
![Photo - out of package]()
H&R 85-91 BMW 325e/325i/325is E30 Sport Spring (Non Cabrio or ix)- Regular price
- $439.00
- Regular price
-
- Sale price
- $439.00
- Unit price
- per
Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce b... -
![Photo - Primary]()
![User 2]()
SalePedders Rear Spring Low 2005-2014 Mustang EACH- Regular price
- $107.96
- Regular price
-
$119.95 - Sale price
- $107.96
- Unit price
- per
Pedders has played a prominent role in the Australian automotive aftermarket industry 1950. In the summer of 2006 Pedders USA became a reality by selling specialised parts to automotive wholesalers... -
Pedders 08-09 Pontiac G8 SportsRyder Super Low Springs
- Regular price
- $368.96
- Regular price
-
$409.95 - Sale price
- $368.96
- Unit price
- per
Pedders has played a prominent role in the Australian automotive aftermarket industry 1950. In the summer of 2006 Pedders USA became a reality by selling specialised parts to automotive wholesalers... -
Steeda Mustang Ultralite Extreme Lowering Springs - Linear GT/V6/EcoBoost (2015-2023) - SKU: 555-8214
- Regular price
- $319.95
- Regular price
-
- Sale price
- $319.95
- Unit price
- per
Upgrade your 2015-2023 Ford S550 Mustang GT, EcoBoost, or V6 with Steeda Ultralite Extreme Linear Lowering Springs, designed to provide a dramatic improvement in handling, aerodynamics, and vehicle... -
![Steeda Mustang Competition Lowering Springs (2005-2014) - SKU: 555-8241]()
Steeda Mustang Competition Lowering Springs (2005-2014) - SKU: 555-8241- Regular price
- $469.95
- Regular price
-
- Sale price
- $469.95
- Unit price
- per
Take your Mustang’s handling to the next level with the Steeda Competition Lowering Springs, designed for 2005-2014 Mustangs. Engineered for performance enthusiasts, these springs deliver competiti... -
![Steeda Mustang MagneRide Dual Rate Ultimate Handling Lowering Springs (2015-2024) - SKU: 555-8243]()
![Steeda Mustang MagneRide Dual Rate Ultimate Handling Lowering Springs (2015-2024) - SKU: 555-8243]()
Steeda Mustang MagneRide Dual Rate Ultimate Handling Lowering Springs (2015-2024) - SKU: 555-8243- Regular price
- $449.95
- Regular price
-
- Sale price
- $449.95
- Unit price
- per
Elevate the performance of your MagneRide-equipped Mustang with Steeda’s Dual Rate Ultimate Handling Lowering Springs, designed for 2015-2024 S550 and S650 Mustangs. These springs deliver competiti...
SPECIAL PRODUCTS
-
![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
- Regular price
-
$88.00 - Sale price
- $79.95
- Unit price
- per
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
- Regular price
- $99.99
- Regular price
-
$105.54 - Sale price
- $99.99
- Unit price
- per
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 16-21 Mazda MX-5 Miata Kagu Floorliner Set - Black]()
![3D MAXpider 16-21 Mazda MX-5 Miata Kagu Floorliner Set - Black]()
Sale3D MAXpider 16-21 Mazda MX-5 Miata Kagu Floorliner Set - Black- Regular price
- $97.99
- Regular price
-
$103.14 - Sale price
- $97.99
- Unit price
- per
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 17-21 Genesis G90 AWD Kagu 1st Row Floormats - Black]()
![3D MAXpider 17-21 Genesis G90 AWD Kagu 1st Row Floormats - Black]()
Sale3D MAXpider 17-21 Genesis G90 AWD Kagu 1st Row Floormats - Black- Regular price
- $90.99
- Regular price
-
$95.94 - Sale price
- $90.99
- Unit price
- per
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...
