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Stillen Parts

Stillen Products Page

Stillen manufactures high-performance automotive parts and accessories, including exhaust systems, superchargers, cold air intakes, and chassis upgrades. Known for precision engineering, durability, and race-inspired performance, Stillen products enhance power, handling, and style for both street and track enthusiasts. Andy’s Auto Sport carries a full selection to help you upgrade your vehicle with confidence.

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WHY TO BUY?

Stillen is a renowned manufacturer of high-performance automotive parts and accessories, specializing in exhaust systems, superchargers, suspension components, and aesthetic upgrades. Designed for both street and track applications, Stillen products combine precision engineering, durable materials, and performance-driven design. Whether improving power, handling, or appearance, Stillen provides enthusiasts with reliable solutions that enhance their vehicle’s performance and style.

DID YOU KNOW?

Stillen has been developing performance upgrades for over three decades with a focus on Nissan, Infiniti, and select domestic and import vehicles. Their commitment to engineering excellence ensures that every component improves performance while maintaining reliability and drivability. From track-focused superchargers to custom exhaust systems, Stillen continues to be a trusted choice for enthusiasts seeking high-quality, performance-enhancing upgrades.

ABOUT STILLEN

In the performance aftermarket community the name Stillen is held in high esteem. Stillen is a performance aftermarket vendor founded by the legendary Nissan racer Steve Millen in 1986. With a heavy focus on the Nissan community, Stillen became known for innovation and performance. However, now Stillen has expanded its lineup to include products for many of the top performance vehicles on the market. Based in Costa Mesa, CA the folks at Stillen believe in the mantra of win on Sunday, sell on Monday and they have extensively tested and proven their products on some of the toughest race tracks all over the world. With superb technical and customer assistance backing up a solid product line, Stillen is a true leader in the performance industry.

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Auto Parts
Supercharger Kits
Cold Air Intakes
Pulley Kits
Automatic Transmission Coolers
Sway Bars
Exhaust Systems
Oil Coolers
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Stillen Parts

Stillen Products Page

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WHY TO BUY?

DID YOU KNOW?

ABOUT STILLEN

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Not able to find what you are looking for?

G35/350z Stillen Grounding Kit.

STILLEN Gen 3 Ultra Long Dual Cold Air Intake Kit For 09-20 Nissan 370Z 402852

Stillen Cold Air Intake for 2015–2021 Subaru WRX (VA Chassis)

3" Stainless CatBack Exhaust System 10-14 Hyundai Genesis Coupe 2.0T

STILLEN for Nissan Maxima Front Lip Spoiler Classic Unpainted 02-03 Nissan

Click here to view more Stillen parts on eBay

VIDEOS RELATED TO STILLEN

Performance Exhaust Systems - Presented by Andy's Auto Sport:

Everything you need to know about exhaust systems is explained on this episode of Andy's Auto Sport TV! We explain what exactly a cat-back exhaust system is, we explain why buying an exhaust system is Step 1 for improving performance, and we give information about how to make a buying decision from all the brands we carry here at Andy's.

Hotchkis Control Arms/Trailing Arms - Presented by Andy's Auto Sport:

Andy's Auto Sport TV explains lower control arms!

Coilovers -- How to Install -- Presented by Andy's Auto Sport:

Andy's Auto Sport TV episode: How to Install a Coilover System

Mass Air Flow Sensors - Presented by Andy's Auto Sport:

On this episode of Andy's Auto Sport TV, we explain all the basics about mass air flow sensors and what you need to know about them!

Big Brake Kits - Presented by Andy's Auto Sport:

Are big brake kits really worth the price tag? Find out on our Andy's Auto Sport TV episode!

Superchargers vs Turbo Kits: Which to Choose?:

Check out this Andy's Auto Sport TV episode where we explain what the differences are between superchargers and turbo kits!

Headers - Presented by Andy's Auto Sport:

Check out this episode of Andy's Auto Sport TV where we explain all the basics about headers. In the video, we explain why headers open up horsepower gains and explain the difference between different types of headers. We also show how to install headers and then show the resulting horsepower gains with our dyno run results!

Camber Kits - Presented by Andy's Auto Sport:

Check out this episode of Andy's Auto Sport TV where we explain what you need to know about camber kits! We explain what positive and negative camber are and we talk about why you might want to buy a camber kit to avoid either one. We also explain the different types of camber kits that exist, including camber bolts, camber arms, and control arms.

C.A.R.B.-Approved Performance Parts in California - Presented by Andy's Auto Sport:

For California Residents: Andy's Auto Sport TV Explains Everything You Need to Know About CARB Certification

Short Ram vs Cold Air Intake Kits: Which to Choose? Presented by Andy's Auto Sport:

Explanation of the Difference Between Cold Air Intakes and Short Ram Intakes on Andy's Auto Sport TV

Strut Bars - Presented by Andy's Auto Sport:

Strut Bars Overview on Andy's Auto Sport TV

Sway Bars - Presented by Andy's Auto Sport:

This episode of Andy's Auto Sport TV is all about sway bars!

Lowering Springs vs Coilovers -- Presented by Andy's Auto Sport:

This is an Andy's Auto Sport TV episode that explains: **The difference between coilovers and lowering springs. **Whether you need to replace your shocks when you lower your vehicle. **Whether you need to buy an alignment product when you lower your vehicle. **Which different types of adjustability that coilovers feature.

Catalytic Converters - Presented by Andy's Auto Sport:

This is an Andy's Auto Sport TV episode where we break down the basics of catalytic converters. We explain the difference between a direct-fit bolt-on catalytic converter and a universal weld-on catalytic converter. We also go over the benefits of getting a new cat, and we even do an installation to show what's involved.

Aftermarket Grilles and Grille Inserts - Presented by Andy's Auto Sport:

This is an Andy's Auto Sport TV episode where we give you all the basics to help you choose what kind of grille to buy. We explain the difference between cut-out grilles and bolt-over grilles. We also talk about grille shells, and we show installation examples for each one.

Video Description:

Installing an aftermarket hood can be tricky, but we walk you through it in this video.

*At 0:20, we remove our factory hood.

*At 1:00, we install our new carbon fiber hood.

Short Shifters - Presented by Andy's Auto Sport:

This is an episode of Andy's Auto Sport TV that explains all the basics about short shifters. We explain what exactly a short shifter does and why it's beneficial to have. We also explain what a short shift adapter is and how it differs from a short shifter. In the back half of the video we do a pair of short shifter installations so that you can get a feel for what's involved.

Video Description:

Boosting your vehicle is a major expense, so make sure you protect your investment correctly by checking out this video about forced induction and fuel usage. In this video:

*At 0:22, we tell you about what fuel supercharger manufacturers recommend you use and why.

Video Description:

In this FAQ video, we give you the basics of how to adjust the damping and rebound of a coilover suspension.

*At 0:16, we get right into it and talk about adjustment knobs and Allen-head adjustment screws.

*At 1:18, we talk about how to set your initial adjustment on your coilovers.

*At 1:36, we talk about the next step of actually tuning your suspension for your needs.

Video Description:

In this video, we explain brake fade and how to avoid it. Highlights include:

*At 0:20, we tell you what brake fade is and the conditions under which they occur.

*At 1:00, we tell you how to reduce brake fade by upgrading your braking components.

Video Description:

In this video, we show you how to change the height adjustment on a typical set of coilovers.

*0:15, we talk about the types of height adjustments that can be made.

*At 1:10, we show you how to physically adjust the hardware to change the height of your coilovers.

Video Description:

In this video, we'll show you why aftermarket Jeep bumpers not only look cool, but serve a functional purpose as well.

*At 0:28, we explain why it's a good idea to replace your Jeep bumpers if you do any type of off-roading.

*At 0:54, we discuss the different types of Jeep bumpers available.

*At 2:32, we install a Paramount Restyling bumper on our project Jeep.

*At 6:02, we show you a before and after of our installation.

Video Description:

Few things are forever, and that includes anti-freeze. In this video, we show you how to tell if your coolant is past its expiration date or mixed at the wrong ratio. Highlights include:

*At 0:12, we talk about the reasons your engine needs coolant/anti-freeze.

*At 0:30, we show you how to test your coolant.

*At 1:50, we remind you about the proper precautions to take when discarding used anti-freeze/coolant.

Video Description:

Keeping all four tires on the ground is important for safety, and in this video we show you how to tell when your shocks or struts are no longer doing their jobs. Highlights include:

*At 0:14, we show you the quick and easy way to tell if your shocks or struts are blown.

*At 0:35, we show you other indications of worn-out shocks and struts.

Video Description:

Heatshield Products keep your engine compartment safe, and can even help protect your vehicle's finish. In this video, we show you how installing a heat shield on your hood can prolong its life and new appearance.

*At 0:42, we get right to installing a Heatshield Products Lava Shield on our project Integra's hood.

*At 2:02, we show you how much cooler our hood's surface is after installing our heat shield.

Video Description:

Having the right spark plugs in forced induction applications is important, and in this video we'll tell you why. Highlights include:

*At 0:20, we explain why the right spark plugs and plug gap make a difference.

*At 0:58, we give our recommendations for choosing the proper spark plug gap for turbo and supercharged applications.

Video Description:

This FAQ video will show you how to adjust the spring preload on your coilover suspension.

*At 0:15, we explain what preload is and why you would want to adjust it.

*At 2:14, we show you how to actually change the preload.

Video Description:

In this video, we tell you if it's okay to add forced induction (turbo or supercharger) to your otherwise stock engine. Highlights include:

*At 0:17, we tell you how to determine if your engine is ready for boost.

*At 0:30, we tell you how buying quality forced induction parts will help protect your engine.

*At 0:50, we talk about tuning your vehicle for power and reliability.

Video Description:

Everything you need to know about hood pins in one video! In this video, we show you:

*At 0:19, we explain why you need hood pins with an aftermarket hood.

*At 1:30, we tell you about the different types of hood pins available.

*At 2:26, we show you the steps necessary to install a set of hood pins on our project Integra.

Video Description:

In this video, we explain the fundamental differences between shocks and struts by showing you how each of them work.

*At 0:18, we explain what shocks and struts actually do.

*At 0:28, we give you an overview of strut style suspensions.

*At 0:58, we explain the placement and function of shocks compared to struts.

Video Description:

Check out this video we made that explains all the basics you need to know about buying a radiator. In the video, we give information that helps explain the difference between a factory replacement radiator and a performance radiator. We also explain why it's so critical to get a performance radiator if you intend to run a high horsepower vehicle.