Is there a difference in the lower plenum between the regular DE and a rev-up? I am looking at buying a second set of plenums to port and polish them for my car but I don't want the torque loss that comes with a rev-up. I have seen claims of this but haven't found any answers. Thanks in advance.

 

Yes, they are different

 

Yes they are diff. I have a non-rev up one for sale. An stock upper also.

 

I just talked to the guy in the Infiniti parts department and he told me they are the same. Some of those guys don't know what they are talking about. I just bought one used off of Z1 Motorsports. Is there any way to tell the difference between the two (ex. a part number on the side)? If it is the wrong one I will purchase yours.

 

Rev-up still on car VS non rev-up

 

Wow very different actually. Shorter runners a little smoother and different riser design

 

What did you pay?