Phone: (302) 553-3122

“If you're looking for reliable shop that's knowledgeable and trust worthy? This is the place!” Read more

Hours and Location.

Hours:

M-F - 9am-5:00pm

30 Albe Drive, Unit C

Newark, DE 19702

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Our Main shop is located at 30 Albe Drive, Suite C, Newark, DE 19707

3 bay doors with multiple lifts, stocked parts inventory, engine room, dedicated fabrication area and Dyno room.

We never leave cars outside overnight.

Your vehicle will be garage kept in a temperature controlled garage.

Separate Dyno Room located at

30 Albe Drive, Suite H, Newark, DE 19702

Both our twin roller and hub dyno are stored/ran here.

Also serves as overflow car storage.

Get in touch.

Shoot us a message with a few details about your car, what services you need and any questions you have.

From Our Clients

  • R32 GTS4

    "Communication throughout the process was excellent. I was kept informed about the progress and any potential adjustments that needed to be made. The pricing was fair, and there were no hidden surprises when it was time to settle the bill."

    - Dereck Watters Read more

  • R33 GT-R

    “Your one stop necessary especially is you have a Skyline. If you need someone who is going to be upfront about your motor’s health and a way forward. Ed’s your guy 🤘🏾 "

    - Fazian Farooq See review here

  • Toyota Supra

    “Best shop in the delaware area hands down when it comes to professionalism, quality of work and over all organization and communication."

    -JT Rich Read More

  • mkiii Supra

    “ By chance or by luck I found Sleeper Tuning on line and set up what became the best decision I ever made for my car, I took it them and was amazed at just how I was treated from the door, "THESE GUYS CARE!!!"

    -Aaron Bright Read full review

  • Supercharged 350z

    "They do a great job with scheduling and communication so you as the customer are never in the dark with the work being done! Top tier in DE…. Best hands down!!"

    Ryan Foran - Read more

  • 300ZX

    " If I call they answer! In the middle of dinner, lunch, movie night, and Edgar might even wake up from a nap to answer my phone call. That’s huge for me. My car WILL GO NO WHERE ELSE !"

    -Jason B. Read full review

  • MKiii Supra

    "Great tuner, very knowledgeable and professional. Wouldn’t go anywhere else for performance upgrade needs, especially if you’re into JDM cars!"

    -Nathanial Gall Read review

  • rb25det swapped 240sx

    "Sleeper Tuning did an amazing job on my build. Honest and very knowledgeable shop. Edgar goes above and beyond for his customers."

    -Jorge Batiz Read here

Leave us a review.

Let us know how we’re doing. How was your experience? What can we improve on? We appreciate all feedback. Leave us a review here https://g.page/r/CTJBlUCTk9HEEBM/review