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Celebrating 20 years of selling the highest quality parts at the lowest prices. Guaranteed.

What Our Customers Say

Customer Email

"Recieved package as arranged. Your products are great! Thank you very much, will be ordering more shortly"

JR

"My order needed a slight change and the sales team was quick to make the adjustment. once it shipped the whole order only took about 3 days to deliver 1000mi away. The parts are very good quality "

Customer Email

"Dana B and sis.com [1], Thanks for the solidly good customer service. I look forward to getting my order. -S. P. Henry "

Customer Email

"Just wanted to say thank you. I have ordered from you guys 3 times now your shipping time is very fast, and the product is very accurate as well as high quality."

Customer Email

"Hi Dana, Thank you for the great customer service in upholding the in-stock guarantee! I will surely be buying my intercooler set-up from yall. Best, Ryan "

Customer Email

"Thank you so much for the prompt service. Your silicone couplings, lengths etc. are second to none, great quality and the t-bolt clamps are top notch. Thanks for the help on my GTI-R swapped 91 sentra its really quick."

1.5" Parts

1.625" Parts

1.75" Parts

2.0" Parts

2.25" Parts

2.5" Parts

2.75" Parts

3.0" Parts

3.5" Parts

4.0" + Parts

Schedule 10/40

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Silicone Couplers

Air Filters, Tools

AN Fittings

Aluminum Radiators

Pumps, Fans, Gauges

Clamps

Aluminum Intercoolers

Blowoff Valves

Thanks 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.