Skyline and Supra Specialist

Engine builds - Dyno tuning - Engine management - Turbo/Supercharger kits - Race car Support - Parts Sales/Installation - Electrical - Diagnostic - Maintenance

Platforms : Nissan RB, SR, KA, VQ, VG and Toyota JZ, 7M Series Engines

Sleeper Vlog

Make sure and check out our YouTube Channel to follow along with current projects in the shop

New episodes airing Thursdays at 6pm

See what our customers are saying.......

“You do not have to beg them to look up parts, order them and tell you the god’s honest truth. That’s a rarity these days! Thank you guys 🙏🏾🙏🏾🙏🏾”

Jason

Share your experience here

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

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

Jorge
“This shop is a hidden gem. Not only does Ed go the hardest in the shop, he has the best customer service in the form of Kristen.”

Kyleem
“Unmatched great customer service, quality parts and quality work done by professionals. Clean environment, quick response. All around amazing shop. The team here at Sleeper Tuning get it done! Highly recommended, best in the tristate area.”

Rico
"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
"Hands down the best tuning shop in Delaware for all your Nissan/ Infiniti needs and more! The customer service is superb. Edgar and Kristen take the time to explain everything to you, and are super time efficient in everything they do!"

Nick

Skyline and Supra Specialist

Sleeper Vlog

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

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

“This shop is a hidden gem. Not only does Ed go the hardest in the shop, he has the best customer service in the form of Kristen.”

“Unmatched great customer service, quality parts and quality work done by professionals. Clean environment, quick response. All around amazing shop. The team here at Sleeper Tuning get it done! Highly recommended, best in the tristate area.”

"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!!"

"Hands down the best tuning shop in Delaware for all your Nissan/ Infiniti needs and more! The customer service is superb. Edgar and Kristen take the time to explain everything to you, and are super time efficient in everything they do!"