Is the Cat worth it and Where can I just get a B-pipe

 

Good questions! I have an rt cat on the way and will be dynoing before and after with it and a b-pipe. Warpspeed and Cattman are supposed to have a b-pipe very soon.

 

A cat can give you about 5hp just like the other little mods, so you do that with a b pipe and muffler you could get about 15 hp.

 

As soon as my Greddy Cat-back system comes in I am going to dyno my RT cat and Greddy. I am hoping to hit 220 FWHP! Anything more then that is a nice bonus. My luck I will get like 3 HP .

 

how much would the b-pipe be and would it increase noise level???

 

What B-Pipe? No one makes a bolt on B-Pipe for the 5th gen(yet). The greddy B-pipe only works with the Muffler and they are not sold seperatly.

 

I think I've seen custom made b-pipes on Ebay. They seem like bolt-ons..

 

Oooooooooo your getting a Greddy? Awesome! Tired of waiting for the b-pipe from WSP or Cattman eh? How much did you pay for it and where did you order it from? When is it expected? I having problems finding it again at a reasonable price?

 

A b pipe will increase the noise level only if you remove the resenater.

 

No, you are wrong and obiviously just guessing with no idea what you are talking about.

A highflow cat may give 5HP over a clogged stock cat with 100,000 miles on it but if you compare a brand new stock cat to a brand new RT cat then you are looking at 2-3HP best case. How you can expect replacing a little section of pipe and getting 15HP is beyond me.

 

It cost me $447 + $30 shipping = $477 . Theres a group deal going on right now in the group deal forum, you better hurry thought because they deal is almost over. It is expected to arrive in 2 weeks, I will probably dyno a few day's after that.

I was getting sick of waiting and when I saw this deal I just went for it. I need everything I can get because my mustang friend keeps getting faster and faster .

 

First of all you din't read very close. 5 hp is just for the cat. And yes in most cases brand new vs brand new and also very dependant on the car 3-5 hp can be expected at the wheels. 5 hp for the b pipe, 5 on the muffler. With nobody acually testing these things on a max i have to go by the generl numbers. Add them up 5 +5+5 +15 total hp gained through them all together.

Stop reading what you want, and read the whole damn thing

 

Well see when I dyno in a few weeks, I would guess that I will gain about 8-10 FWHP for a 3. 15 would awesome!

 

it was my understanding that 5th gens gained little to nothing from any xhuast mods behind the ypipe, i've heard replacing cat with straight pipe and a full catback gained like 3 horsepower. i'm no expert, thats all stock on my car, but that's what i've3 gathered from the org. the only exhaust mod worthwhile for power is the ypipe...

 

I agree, your not export . A memeber with a 2K2 auto gained about .2 tenths with just a cat-back exhaust(thats typical). There is altleast 8+ FWHP with a RT cat and cat-back exhaust. BTW, 2K2's are not blessed with the availability of a Y-Pipe. Also 2K2's get more out of each mod because of the larger engine using the same plumbing as the 2K1's.

 

that could have been anything from track conditions to weather to getting better at driving a new car. I say you'll be lucky to get 5HP from a RT cat + b-pipe on your car. The twist is that if you have an intake or y-pipe it will allow the cat and behind to work better and yield up to 12HP, but it the flip of a coin if you want to give the credit to the intake or the cat. All I am attempting to say in this thread is that if you think adding a cat and a b-pipe to a new, totally stock car will give you more than 2-3HP at the wheels then you're crazy. Now there is no solid data so I could be wrong, but I would be willing to put money on my side of the argument if I was to bet.

 

So how much do you want to bet I get atleast 8FWHP on my next dyno run? $50-200? 2002's take well to mods, 10 FWHP for just a intake..yep. All I am saying is I expect to see atleast 8FWHP with my RT cat, and greddy Cat-Back exhaust(B-Pipe and muffler). I saw a dyno in SCC, if I can recall correctly they dynoed a HKS muffler and gained about 5 FWHP(just a muffler!), this was on a 3.0 VQ. I beleive Dave B picked up close to 2 tenths with a B-Pipe and 5th gen muffler.

I expect to gain about 3 FWHP with my RT cat and about 5 FWHP for my Greddy Cat-back exhaust, why is that so hard to beleive?

Also I have a Stillen intake and a franken ram section so my max is allready sucking in a lot more air then a stock max.