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- C&L Performance is proud to announce another truly unique and innovative product for owners of 1999-2004 Lightning and 2002-2004 supercharged Harley trucks. This new upper intake manifold replaces the stock unit that delivers air from the throttle body to the inlet of the supercharger. During the development of this item, we found many improvements could be made over the original design. The most obvious of which is the fact that the opening at the blower end is actually smaller than the supercharger inlet. Roots style superchargers are extremely sensitive to restrictions on their inlet, and their actual efficiency can be improved by simply reducing airflow restrictions at the inlet side of the charger.
- After flow testing this new design, we are happy to report that it has exceeded our expectations. We have supplied a flow diagram below so that you can understand how this new manifold can benefit your particular application. Most people who have already upgraded their factory throttle body to a single blade design have reported gains in performance ranging from between 7 to as much as 10 additional horsepower. Flow testing has shown that this arrangement increases airflow through the stock upper manifold by 10.9%. People who already have the single blade throttle body and upgrade to our new intake will see a nearly 20% greater improvement in flow, for a total flow improvement of 29.8 % over the stock throttle body and intake combo.
- For those people who do not have an upgrade throttle body and would like to upgrade the intake manifold, you will be rewarded with a 14% increase in flow over stock, which is greater than the improvement that people have seen in the past when installing a single blade throttle body. The suggested price for this new intake is $299 which makes it a good value as a bolt-on upgrade.
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