Pipes

Norm Peterson · Mar 28, 2017

patriotu said:
when i say aggressive its like more rumble !! more muscle car sound! OLD SCHOOL!!

Then your choice is between the 'H' and no crossover at all.

If this was going to be a custom fabrication effort, you might even try using a small diameter crossover pipe or a restricting orifice welded into a standard-size crossover tube for something in between the 'H' and straight duals.

Norm

Rapture · Mar 28, 2017

Norm Peterson said:
Then your choice is between the 'H' and no crossover at all.

If this was going to be a custom fabrication effort, you might even try using a small diameter crossover pipe or a restricting orifice welded into a standard-size crossover tube for something in between the 'H' and straight duals.

Norm

Definitely agree here. Or you could just go all the way and do headers to collector out the front fender.

eighty6gt · Mar 28, 2017

Comment: I am purchasing a right angle die grinder to open up the H on my Bullitt. Going to see if it helps with some of the shitty low rpm sound I'm getting with my FR500S mufflers. I will have the same exhaust as on the Shelby KR's.

13726548 · Mar 28, 2017

I can't imagine open headers sounding good on an OHC engine like ours, unless it's a turbo setup. I would stick with an H pipe if it were me.

But OP mentioned FR500s axle backs, so see how you like those first. Change one thing at a time so you know what to reverse if something doesn't work out.

Norm Peterson · Mar 28, 2017

13726548 said:
I can't imagine open headers sounding good on an OHC engine like ours

My guess is that it's not the fact that it's an OHC engine per se. More because of the variable valve timing/phasing.

Norm

o2sys · Mar 28, 2017

How about no cross over? I had the oem bullitt h-pipe which has the h-pipe section blocked with only a small hole and it sounded awesome. But when I went to catless I just went to an h-pipe setup.

Here is a quick video:

Pypes Shorties, Bullitt H-pipe with Pypes Muffler Deletes.

https://youtu.be/ewrAcovUBa4

Coosawjack · Mar 29, 2017

I have this 3" SS MRT H-Pipe I'll make you a deal on if interested!!??

Deeper sound than stock with a nice burble......bolts right up!! :clap:

patriotu · Apr 19, 2017

Just installed the fr500 axle back. They sound awesome !!!!!

Pipes

Norm Peterson

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