SLEPT ONPERFORMANCECall the shop
Teal SLEPT ON BMW M3 with silver graphics and polished wheels in a parking garage
INDEPENDENT AUTOMOTIVEVAN NUYS, CALIFORNIA ✦

FOR THE ONES WHO KNOW.

Built with intention.
Driven without compromise.

THE SLEPT ON SIGNATURETake a closer look SOP — FOR THE DRIVE
EXCEPTIONAL CARS.
A SHARED OBSESSION.
PORSCHEBMW MMercedes-BenzAudiFerrariMcLaren

MORE THAN POWER.
THE COMPLETE PICTURE.

More power. A sharper drive. A finish that feels like you. Find your starting point.

Red McLaren P1 with carbon-fiber bodywork and rear wingSLEPT ON / 01POWER / RESPONSE / CHARACTER

Find your next gear.

A more responsive drive starts with a plan. Explore tuning, airflow, and supporting upgrades around your vehicle and the way you use it.

  • ECU calibration
  • Intake & exhaust
  • Turbo & supporting upgrades
Call about performance

Every setup is different. Compatibility, scope, and availability are confirmed for your vehicle.

QUIET IS
OVERRATED.

For the ones who care how it drives.
And how it makes them feel.

Teal BMW M3 with silver SLEPT graphics and polished wheels
SLEPT ON / BMW M3

PRESENCE, WITHOUT PERMISSION.

A bold finish. A considered stance. Details that reward a closer look.

SELECT A DETAIL. TAKE A CLOSER LOOK.
SLEPT ON PERFORMANCE / THE DETAILS
Full photograph of the teal SLEPT ON BMW M3 in a parking garage

OBSESS OVER
THE DETAILS.
FEEL THE DIFFERENCE.

A car is more than its spec sheet. It’s the response when you lean into the throttle. The confidence in a corner. That last look before you walk away.

That’s where we start. With the details that matter to you—and a clear direction for bringing them together.

Let’s talk about your car
01 /

Purpose before parts.

Build around your driving goals, your vehicle, and your priorities.

02 /

Details make the drive.

Consider the whole setup. Power, control, reliability, and finish.

03 /

Keep it clear.

Start with a conversation. Define the scope before the work begins.

WHAT’S YOUR
DRIVING MODE?

Every build starts with a purpose.
Choose yours. Find your direction.

SLEPT ON teal BMW M3 in a parking garageDIRECTION / 02
ResponseControlCharacter
YOUR STARTING POINT

TAKE THE
LONG WAY HOME.

A more connected drive, with upgrades that work together. Explore response, handling, and a character that feels like yours.

YOUR CONVERSATION STARTER3 areas of focus

Select the areas you’d like to discuss.

Call about your build For the drive you look forward to all week. Bring your selected focus into the conversation when you call.

YOUR VISION.
ONE CALL AWAY.

A new build. A service question. Your next idea.
Call us and let’s talk it through.

SLEPT ON PERFORMANCE(949) 993-9393Call the shop

A FEW
FIRST ANSWERS.

Call us with your vehicle, how you drive, and what you want to change. We’ll talk through your existing modifications and priorities to find the right starting point.

YOUR NEXT MOVE.
LET’S TALK.

From a first question to the next chapter of your car. Give us a call.

CALL SLEPT ON PERFORMANCE(949) 993-9393Talk through your build, ask about service, or arrange a visit.
BASED IN THE VALLEY

SEE YOU IN VAN NUYS.

14418 Oxnard St
Van Nuys, CA 91401

Call to discuss your vehicle and arrange a visit.

Get directions
Call the shop

SLEPT ON PERFORMANCE

KEEP IT DIRECT.

This website has no inquiry form. To discuss your vehicle, services, pricing, or a visit, call (949) 993-9393.

Your build planner selections stay in this page and are not submitted or saved by the website. No payment or appointment is made through this site.

The teal BMW photograph and emblem were provided by SLEPT ON PERFORMANCE. Other vehicle and detail photographs are illustrative stock imagery. Manufacturer names identify vehicle marques and do not imply affiliation or endorsement.