shandy294

Manifold Absolute Pressure sensor but how it does/doesn't relate to an intake,I don't know.

Snafudilligad

So he cut the box on the engine side? Makes no sense to me. Why not cut the front portion of the box that is on the grill side so it could pull cooler air from behind the headlight area? ME thinks this guy cut the wrong side. Or even just punch out a nice 5 inch round hole in the bottom of the box and do the same on the mounting plate and then attach a 5 inch dia. / 8 inch long tube into the open area that is under the box (where a Volant ram air intake would route)?

I see the idea, just dont understand the approach here.

Trotorx2

I found this link posted on the FSC board months back. I haven't tried this but had thought about it. I think the pictures are deceiving. I think he means to open the side by the fender or the front behind the headlight. I think the stock airbox and tube flows enough air unless you are going forced induction.

fluxu8

I just installed a Magnaflow kit on my otherwise stock truck. I do have a stock replacement K&N though.....would the UPD give back some of the low end I feel like I lost, along with eliminating some of the drone, or would the FIPK do a better job?

fluxu8

Anyone else see a difference in an elimination of drone with an intake added to a Magnaflow cat back? Was it a big difference?

GregM

Like I said, my drone decreased some after I added the intake. My plastic interior pieces were rattling I had so much drone. Its not all gone, but its a lot better.


GregM

Trotorx2

My Magnaflow doesn't drone very much but I only replaced the stock muffler with the Magnaflow same size replacement. I don't think the UPD will help with the loss of low end either. I think it is a result of lose of some of the back pressure from the muffler change. I really noticed the loss of low end power after the exhaust work. I asked pretty much the same question as you over on the FSC board and didn't get much help. I wish I knew how to get the low end back too.