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"[RE 600HP Water/Air intercooler kit] This is the best intercooler setup you can run on a dsm. It was better than any FMIC I have encountered. "

"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!"

"[Thanks] For a great product. Huge improvement over the stock fluidyne. Unbeatable price too. My truck never ran better."

"WONDERFUL! Shipping is blinding fast! The site is great because there is an automatic inventory counter to tell you what is in or out of stock. Great site! Ordered from them several times without a hitch at all. And not to mention that their prices are CHEAP! "

"Wow, in all seriousness... this is awesome. I've never delt with a company that has this good of comunication and get things done. If the stuff is as good as the customer support, I'm getting you guys more customers."

"Now this is service!!!, item shipped within a hour of ordering!!! I own a shop and will be passing your info on to anyone I know."