"Loved your last products. Very well made. Welds were superb on the steel tail blow off valve flange."
"It is a pleasure to do business with your company."
"Thank you again for your help, I really appreciate it and that's why I keep coming back."
"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!"
"cold air intake for my civic at 1/4 the price, and 10X the looks"
"Thanks for your great products,I gained app 40 to 50 hp from stock intercooler to type 14 with no other mods. App. 5 mph [on a jetski]"
*Information refers to our main product line - some products may vary. Please check our product descriptions for full details.