"Dana B and sis.com [1], Thanks for the solidly good customer service. I look forward to getting my order. -S. P. Henry "
"cold air intake for my civic at 1/4 the price, and 10X the looks"
"Great products and Great prices. Wish you guys would set up a page for us to show your products on our cars...."
"Loved your last products. Very well made. Welds were superb on the steel tail blow off valve flange."
"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. This is a sign of a good business, keep up the good customer service."
*Information refers to our main product line - some products may vary. Please check our product descriptions for full details.