"Loved your last products. Very well made. Welds were superb on the steel tail blow off valve flange."
"4th time returning customer thanks guys always good service."
"Simply the best! Keep it up - Thanks!!"
"Rattling great visual appeal on this web site, I'd value it 10. "
"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!"
"I ordered a 45 degree angle 2.5 inch diameter coupler and I want to say I am very satisfied with the quality. Fast shipping as well. Thank you."
*Information refers to our main product line - some products may vary. Please check our product descriptions for full details.