Celebrating 20 years of selling the highest quality parts at the lowest prices. Guaranteed.

"Hi There, Nothing to say but AWESOME! Thanks for your great service and really really fast shipment. I'll pass your site on to my friends."

"you have an excellent website.Yoy have really expanded since I first ordered. I have told several of my friends at dealerships about you. Say they have passed this on to friends who were impressed."

"Thanks for the response. We have an inside joke that you guys only hire ninjas with how fast your service is. SIS is definitely the first place I check for parts. You guys have a great thing going on there. Thanks!"

"My order needed a slight change and the sales team was quick to make the adjustment. once it shipped the whole order only took about 3 days to deliver 1000mi away. The parts are very good quality "

"If you guys have any siliconeintakes.com stickers, that would be great if you threw a couple in with the "cat", I love your website and would love to promote it. You guys have the best prices by far!"

"I ordered intake testsers and was able to find the leaks that Ford couldn't. The silicone vacuum hose works great!! Thick walled no collapse, a RARE FIND!!"