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

"They had the exact part that I needed and I requested that it had to arrive at the location at a specific time and they performed with excellence! These guys rock "

"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!"

"Thank you Cody I appreciate the great customer service and great communication with quick response. I have ordered from you previously and will continue to buy from you guys based on the pleasing and painless transactions. Thank you."

"Free shipping would be cool =p But seriously- You guys are awesome. Good experience and quality, time after time. Thanks for the great products for awesome prices."

"that will be ok i love the service i got from your company yal rock... i will tell all my hot rod friends about your service ,i just got my car done today and it runs very good thanks jerome..."

"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. "