Brand new from Treadstone performance is our cast K20 turbo manifold. Will fit 02-05 Honda Civic Si, and 02-up Acura RSX. Those of you looking to make their own turbo kit, this ones for you! Manifold excepts any T3/T4 based hybrid turbo and any 35/38mm external wastegate. Complete turbo kit will become available within a few months. Treadstone manifolds are cast using a high ductile silicone based iron adhering to a strict ASTM casting standards. These manifolds are very durable and will withstand all the heat and vibration you can throw at them. Our manifolds casting exceeds OEM specifications and now come with a 1 year warranty against cracking. All of our manifolds incorporate external 35 or 38mm wastegate, and either T3 or T4 standard turbine inlet. All internal surfaces are cast smooth for high flow and low surface friction.

Do you have more pictures of the Treadstone Cast Turbo Manifold installed on your car? Email: webmaster@clubrsx.com and we will add it here. We may not be able to use all of your pictures. The above picture(s) might be for reference only and may not represent the actual product ordered.

Customer Reviews Write an online review and share your thoughts with others. Average Customer Review: 1 Reviews

very nice, 4.28.2008 Reviewer: ziomekk (, ill) fitment is awesome, just have to work 1 thing at time, no driling or cuting is required, got full boost at 3K... i love it !

Did you do a step-by-step install on our message board? Do you have a link to the manufacturers instructions? Email: webmaster@clubrsx.com and we will add it here.

To have Club RSX price match the Treadstone Cast Turbo Manifold, please email: pricematch@clubrsx.com or call (866) CLUB-RSX.

Club RSX's Price Match Policy
Whenever possible Club RSX will price match the advertised total price (price including all shipping and handling charges) from any legitimate retailer. The price must be listed in a magazine, newspaper, or listed on an open to the public website. Club RSX will not price match items listed on any auction based website; as they are often not legitimate retailers. We will also not price match special group discounts or sale prices. We will verify all of the information before matching the price. Most of the time, if the price is legitimate, Club RSX will adjust our pricing so that every one of our customers can benefit!

Club RSX.com's free shipping applies to every order*, there is no minimum purchase and there are no handling fees added to your order. We feel this allows you to purchase when you want and not have to wait to order a lot of items at once to save on shipping costs. At Club RSX.com the price that you see is the price that you pay each and every time. Alaska, Hawaii, and international orders are extra and not included in the free shipping offer.

*Alaska, Hawaii, and International Shipments
Along with Alaska and Hawaii, Club RSX will ship to most country's in the world. To get a shipping quote, all that you need to do is add the items that you would like to purchase to your basket and follow the check out steps. Once you reach the shipping and payment screen that will give you both your shipping costs and payment options. Club RSX uses Global EMS (US Mail) and/or UPS to ship internationally. Some items that we sell are too large to be shipped using Global EMS so UPS would be your only option.

Do you have a question about Treadstone Cast Turbo Manifold? We have two different ways for you to contact us so that we can answer your questions.

Phone: (866) CLUB-RSX (866-258-2779) - Mon to Fri 10am to 5pm Mountain Standard
Email: sales@clubrsx.com