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

"Thanks. Glad to hear muffler wrap is coming. Amber was very helpful."

"Im thankful for the blog post.Really looking forward to read more. Awesome."

"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 products rock! I really enjoy your stuff, it makes building a car so much better. All the angles, bends, sizes, etc-- great stuff. I really like the new intercooler piping that has the heat cores-- too cool. "

"Its great dealing with small companies like yours that still take care of their clientele."

"Ive bought a bunch from you guys great price and quality I recommend you guys to many of my customers"