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

"My blue silicone vacuum hoses i ordered from you in 2008 still look brand new today.Great hoses.Thanks "

"I've been ordering a bunch of stuff from you guys lately. Everything has been on point! Big Thanks!"

"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!"

"Your website is a life saver, i would have spent double this at my local performance shop. "

"I finally got to test my new silicone intake and it worked perfectly fine. There are no issues with the hoses colapsing like my friends suggested might be a problem. Thank you! Thanks to Holly, Sean and Jon for quick feedback about fitment!"

"Hi Dana, Thank you for the great customer service in upholding the in-stock guarantee! I will surely be buying my intercooler set-up from yall. Best, Ryan "