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  • FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port)
FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port)
FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port)
FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port)
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FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port)

FAST
FST146303
Intake Manifolds
$1,225.20
The FAST LSXHR 103mm Intake Manifold is ideal for generating maximum power in boosted and naturally aspirated GM LS cathedral port engines. It ships with a set of “tall” removeable velocity stacks, however “medium” and “short” stack options can be purchased separately. This allows interchanging of the various runner lengths...
$1,225.20
FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port)
Description
The FAST LSXHR 103mm Intake Manifold is ideal for generating maximum power in boosted and naturally aspirated GM LS cathedral port engines. It ships with a set of “tall” removeable velocity stacks, however “medium” and “short” stack options can be purchased separately. This allows interchanging of the various runner lengths so racers can experiment with finding which combination makes the most power in their application. Its polymer construction is lightweight, very strong and virtually eliminates power-robbing heat soak that occurs with commonly available aluminum intake manifolds. The manifold has been optimized to make power from 5,000 to 7,500 RPM, with testing showing 20+ horsepower gains over competitor tunnel ram intake manifolds. The FAST LSXHR 103mm Intake Manifold is designed specifically with boosted applications in mind and is rated for up to 45psi of continuous boost pressure. The compound fuel injector angle aims the spray pattern for ideal atomization, resulting in maximum power production and superior drivability. Also included with the intake manifold are custom fuel rails and necessary hardware. A reversible top allows for forward- or firewall-facing throttle body installations. The intake manifold also features two nitrous nozzle bosses per runner for clean and easy direct port system installations. Additionally, its 103mm throttle body opening can be port matched up to 105mm.
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We want you to be completely satisfied with your purchase, and we strive to provide you with expert guidance to help you choose the best possible products for your vehicle needs. We also understand that sometimes you need to send a product back. 

We've developed our return policy to make returns as easy as possible for you. 

We accept returned product in its original packaging up to 30 days from the date of purchase. Damaged items and/or short shipped orders must be reported to ProParts USA with in three business days of receipt. 

Returned Items

  • All items must be returned in their original factory packaging and in "un-used" condition. Items returned in other than "un-used" condition will not be granted a  refund. Returned items are subject to inspection prior to issuing credit.
  • All returned items must be unassembled and repackaged in the manner they were originally received. Items not returned in this condition may be subject to a restocking fee. Any items returned are subject to Manufacturers Restocking fee if applicable.

To start a return, please email ProParts Depot and a friendly representative will assist you. Or give us a call at, (818) 888-8904. Please have your Name, Order Number and Email Address handy. 

Holiday Return Policy
ProParts Depot, powered by ProParts USA offers an extended return policy for the Holiday Season. All Orders placed between November 1st and December 31st will be honored for return through January 31st. Items must be in the original packaging and un-used. 

Special Order Items
All special order items must be paid in full at the time of the order. The order will be processed in a timely manner but ProParts Depot will not be responsible for any delays from the Manufacturer. There are no refunds or exchanges on special order items.


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