95,I would go with the X(siamese design)over thepro-chamber for hp but You already have a2.5 mandrel bent H pipe soI think the difference will be about an extra 5-7 hp.On the mufflers.....I'm saying that I really don't think you are going notice different quarter mile et's by switching mufflers on your combination. Dan02 doesn't agree but like many others in search of a 1/10th here and there, you just don't know until you try. Your combo just might like those Magnaflows and you could pick up a couple of 1/10ths when usedwith the X. Too bad you couldn't try each one oneat a time to let us all know what gave you the gain and how much.

 

Low end torque....oye......look at the numbers where it's affected. Nobody seriously races down there, and a 5.0 still has plenty of umph to get up and going, and the extra horses/midrange will help out in the 1/4.

I've still yet to see anybody able to proove how choking a motor (it's called backpressure ofr a reason) can be beneficial to going faster and making more power.....but if you can do it, prove me wrong!

 

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go with the O/R X pipe, if you still care about rumble add Flowmasters 2 chambs..if you care about realHP that you can actually feeladd some nitro and/or a Charger, bottomline.</P>

 

Flows blow......look at magnaflow or bassani. Or better yet (for the budget minded) Warlocks (becomes a straight pipe after 3 wing nuts removed for the track), or Ultraflow (has actually been tested to flow better than a straight pipe on some cars!).


Bottom line: engine= air pump

More air in and out, faster your car goes. That's the bottom line.