intake and exhaust ?

J smitty · Mar 16, 2008

Ok, so I just installed the JLT RAI and it is great. But I want more power so if I went with the Mac 2.5 catback stainless steel, the C+L upper intake plenum, and the mac 75mm tb would I gain a fair amount of power? Would the "Stainless steel" exhaut rust? Will the plenum, tb, and intake line up and will the finishes match?

scupking · Mar 16, 2008

J smitty said:
Ok, so I just installed the JLT RAI and it is great. But I want more power so if I went with the Mac 2.5 catback stainless steel, the C+L upper intake plenum, and the mac 75mm tb would I gain a fair amount of power? Would the "Stainless steel" exhaut rust? Will the plenum, tb, and intake line up and will the finishes match?

Your looking at around 10+ hp gain. Your not going to see much just from a catback and a 75mm tb plenum kit. The mid pipe is where you are going to see more of a gain. You aren't going to see any more power till you get a tune. Once you get a custome tune you will be looking at around 30+rwhp.

BurningRubber · Mar 16, 2008

I noticed a difference (not huge) when I installed my 75mm tb and ported plenum. It pulled harder up top.

You wont notice much if any at all gain from just a catback. The mid pipe is where its at though. I reccomend an X pipe if you want to squeeze the most out of it. Mine pulled noticably harder up top after I put it on.

X pipe and Mac's sound great... here are some of my clips. UPR catless X btw...

http://www.youtube.com/watch?v=0tSnKl4Ccs8

http://www.youtube.com/watch?v=MTUINN5GrnI

4.6boy · Mar 16, 2008

do u have to get a tune if ur just doing cai midpipe and catbacl?

CobraRed_96_GT · Mar 16, 2008

4.6boy said:
do u have to get a tune if ur just doing cai midpipe and catbacl?

you can do every bolt on there is minus injectors and MAF and wont need a tune.

H What 4.6 · Mar 17, 2008

J smitty said:
Would the "Stainless steel" exhaut rust? Will the plenum, tb, and intake line up and will the finishes match?

stainless steel will not rust and the finishes on the plenum and t/b depend on which type of finishes you ordered ?!?

SilverBullet00 · Mar 17, 2008

I agree with these guys, look at getting a mid-pipe and a catback for better sound. Then i'd start thinking about 4.10's for a big SOTP increase

StangYellow · Mar 17, 2008

J smitty said:
Would the "Stainless steel" exhaut rust?

intake and exhaust ?

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H What 4.6

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