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Celebrating 20 years of selling the highest quality parts at the lowest prices. Guaranteed.
What Our Customers Say
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"that will be ok i love the service i got from your company yal rock... i will tell all my hot rod friends about your service ,i just got my car done today and it runs very good thanks jerome..."
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"I purchased a slimline radiator fan from this website. They had the best price available by far. The fan worked with zero issues."
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"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."
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"i have their W2A ic core/ice box/pump, i got some tbolt clamps and couplers, also a 3" vband clamp with fittings. All very fast shipping and everything is perfect thus far."
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"Howdy, just found your website and really glad I did. Really great how you are making intercooler piping AFFORDABLE. I had just paid About $180 for only a few pieces of piping, and it makes me sick...but now I know where to get it, and I'm gonna tell my buddies about this site too! "
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"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!"
1.5" Parts
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1.625" Parts
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1.75" Parts
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2.0" Parts
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2.25" Parts
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2.5" Parts
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2.75" Parts
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3.0" Parts
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3.5" Parts
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4.0" + Parts
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Schedule 10/40
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Header Wrap
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Silicone Couplers
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Air Filters, Tools
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AN Fittings
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Aluminum Radiators
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Pumps, Fans, Gauges
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Clamps
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Aluminum Intercoolers
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Blowoff Valves
See MoreThanks for visiting! Here's a quick checklist to help you make sure you're getting the right pipes for your installation.
- Make sure your pipes have mandrel bends!
Our aluminum bends and stainless steel bends all have mandrel bends*, which are far superior to the press bends that some retailers sell. Mandrel bends maintain a uniform inner diameter through the bend, unlike press bends which are easier to manufacture and get smaller in the bend. This means that mandrel bends flow better and can be cut and welded on the bends. - Make sure your pipes look great!
Our aluminum pipes and stainless steel pipes have an incredible mirror-polished finish*. A lot of installers cut corners here, but why bother when our prices are so low for show quality products? - Make sure your pipes are the right size!
Our aluminum pipes and stainless steel pipes are listed by outer diameter*, as is typical in automotive intake, exhaust, and other piping systems. - Make sure your pipes are the correct material!
Our aluminum pipes are 6061-T grade*, with good weldability, machinability, corrosion resistance and light weight. Our stainless steel pipes are 304 Stainless Steel*, with excellent rust resistance and easy welding to many existing components.
*Information refers to our main product line - some products may vary. Please check our product descriptions for full details.