Sleeper Tuning

If you're looking for reliable shop that's knowledgeable and trust worthy? Thus is the place! Ed and his wife will make sure your vehicle is taken care of and help you reach your goal on your vehicle! Their response time on customer service is great!! And they kept me on the loop the whole process!! Pretty stoke and still can't believe my GTR made that HP thanks to them! Definitely recommend them to everyone who owns a tuner cars!!

First and formost, I was extremly upset with several other "specialty" shops that said they are the best, after spending thousands of dollars with other places and my car went from running to sitting for over four years due to them destroying my show car, I was so feed up I was going to part ways with my car, then 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!!!" absolutely amazing people they saw all the issues found things that never was done and was hidden , they treat your vehicle like its their own and treat their customers like you are family, from being updated and kept informed the intire time my vehicle was there to personal

Best shop in the delaware area hands down when it comes to professionalism, quality of work and over all organization and communication. It took me 10 years to find someone i trust and this guy is the real deal. Make an appointment and make sure you have some patience you wont be disappointed. Edgar and his wife got me running after 3 years of poor shops prior who only steal your money and leave you with missing parts and unfinished builds. They have 2 dynos and race gas as well for purchase

My recent visit to Sleeper Tuning was a truly impressive experience. The staff's expertise and dedication to customer satisfaction were evident from the moment I stepped in. They were not only welcoming but also eager to understand what performance levels I was trying to achieve. Their knowledgeable technicians, who took the time to understand my performance enhancement requirements, provided excellent recommendations tailored to my specific vehicle. The quality of their work is truly top-notch. They used high-quality parts and paid meticulous attention to detail during the installation process. My 1991 Nissan Skyline GTS-4 now performs better than ever, with noticeable improvements in both speed and reliability at 600+ hp. Communication throughout the process was excellent. I was kept i

Edgar brought my G35 coupe to life! After getting all my bolt-ons installed, I took my car to Sleeper Tuning to have Edgar work his magic. He did NOT disappoint! He got my N/A VQ to 304whp and the car feels great! He obviously cares about the cars and his customers, which can't be said for most shops nowadays. He's definitely got my business!