LS7/LS3 Carbon Fiber Intake Manifold +52 tq/56 hp
#1
![Post](https://ls1tech.com/forums/images/icons/icon1.gif)
Impressive gains for just an intake manifold!
Just under $5k, OUCH!
Coming soon for LS7 and LS3
"Tested on the LPE Camaro OUSCI LS7 engine against the production LS7 intake manifold. Gains of 52 lbf-ft and 56 horsepower at 5700 rpm"
Dyno-Testing Performance Designs' Carbon XR Intake Manifold | GM Authority
![](http://performancedesign.com/wp-content/uploads/2010/12/Carbon-XR-LSA-TB-B-1600x914.jpg)
![](http://performancedesign.com/wp-content/uploads/2010/12/Carbon-XR-LS7-Golen-502-01.jpg)
![Mr. Cool](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_cool.gif)
Coming soon for LS7 and LS3
"Tested on the LPE Camaro OUSCI LS7 engine against the production LS7 intake manifold. Gains of 52 lbf-ft and 56 horsepower at 5700 rpm"
Dyno-Testing Performance Designs' Carbon XR Intake Manifold | GM Authority
![](http://performancedesign.com/wp-content/uploads/2010/12/Carbon-XR-LSA-TB-B-1600x914.jpg)
![](http://performancedesign.com/wp-content/uploads/2010/12/Carbon-XR-LS7-Golen-502-01.jpg)
Last edited by libertyforall1776; 03-16-2014 at 01:19 PM.
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#13
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![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
While this a very nice intake the gains are not "outrageous" given the fact that it uses two throttle bodies and very long intake runners which aren't going to help high RPM HP where you need it for racing.....a simple swap to my Beck Sheetmetal intake on my stock LS7 short block with a 102mm TB vs the LS7 stock intake and port 90 mm TB netted 42 RWHP at peak and this twin TB set-up only picked up 33 RWHP at peak!
This CF/Twin TB manifold makes it money by adding a boatload of low/mid range torque in addition to the HP due to the long intake runners.
This CF/Twin TB manifold makes it money by adding a boatload of low/mid range torque in addition to the HP due to the long intake runners.