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" Really informative article post. Awesome."

"Just wanted to drop you a line to say "thank you for my order".. I recieved it today , and I am very impressed with the quality of the hoses .. Man they are 100% super !! Great Quality!!!"

"I recently bought reducers for a modified intake. Units fit perfectly, which made the job much easier to complete. "

"Your customer service is absolutely top notch!! I will definitely continue to do business with you guys in the future and try to send as many people your way as I can. Thank you again!! Brandon "

"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!"

"It is a pleasure to do business with your company."