"Hi there! Someone in my Myspace group shared this site with us so I came to give it a appear. Im definitely loving the details. Im bookmarking and will likely be tweeting this to my followers! Outstanding blog and great style and style. egadeefdfkaf"
"Don't have a question. I received my first time order from you and just finished installing new fuel line today. Just wanted to say how impressed I am with your products. You are half the price of the name brand products like Earl's and seem to be of just as high of quality. Thank you."
"Loved your last products. Very well made. Welds were superb on the steel tail blow off valve flange."
"I got the refund for shipping. Thank you for your wonderful customer support, you have a life long customer now!!"
"First I would like to say thank you for the great reliability to shipping and guarantee that your site provides and your customer service is outstanding! I wish everyone is as reliable and this easy to work with."
"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 trusted source for high-performance intercoolers, silicone hoses, aluminum pipes, and turbo components for over 20 years. Whether you're upgrading your daily driver or building a full performance platform, we are here to help you get the most out of your build.
Most orders ship within 1 business day from our Colorado warehouse.
Built to handle extreme temperature, pressure, and performance needs.
Need help selecting parts? Our team is here to guide you.