Im debating whether to buy an h pipe or a real x pipe to put before my cutouts. Correct me if im wrong but h pipe would benefit my low end and make the tone a little deeper while the x would increase high end. Im leanig toward the h pipe but need more advice!
mattmatheny12
My cutouts sound horrendous when I use the throttle. Sounds cool at idle.
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Yea at idle I like it but man when you hit the throttle it releases what sounds like a hive of swarming bees... and I found a universal h pipe that should work just fine and its only 60 bucks.
After I put on my solo catback exhaust and drove it for awhile, I installed an H-pipe
just before the catback exhaust, lost low end torque- bad very bad, the tone changed in the exhaust, quieter, low end torque went away. I didn't keep the h-pipe in
very long, once I took it out my low end torque picked back up. So it was a wasted
mod. I even track tested at the track my 60 ft times was much slower.
Hope this helps.
One mod that help pick up low speed torque was down sizing the exhaust from head to 2.25" this mod picked up low speed torque and didn't hurt top end in 1/4 mile.
I believe cut outs will give you the noise, but will harm overall low speed torque,
you might gain a little on top end, but I think any holeshot performance will be lost.
to gain low speed torque you need to increase the exhaust velocity, like I did, smaller
head pipes to catback, going bigger or open exhaust will hurt bottom end performance.
H-pipes and x over act like increasing pipe size, they work better with undersized
pipes on large engine. we already have good size pipes on the small v6 so we don't
want to slow down the velocity more then it is already.
just before the catback exhaust, lost low end torque- bad very bad, the tone changed in the exhaust, quieter, low end torque went away. I didn't keep the h-pipe in
very long, once I took it out my low end torque picked back up. So it was a wasted
mod. I even track tested at the track my 60 ft times was much slower.
Hope this helps.
One mod that help pick up low speed torque was down sizing the exhaust from head to 2.25" this mod picked up low speed torque and didn't hurt top end in 1/4 mile.
I believe cut outs will give you the noise, but will harm overall low speed torque,
you might gain a little on top end, but I think any holeshot performance will be lost.
to gain low speed torque you need to increase the exhaust velocity, like I did, smaller
head pipes to catback, going bigger or open exhaust will hurt bottom end performance.
H-pipes and x over act like increasing pipe size, they work better with undersized
pipes on large engine. we already have good size pipes on the small v6 so we don't
want to slow down the velocity more then it is already.
Cutouts have felt like it ****ed up my low end. I only open them to piss off passengers...
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A x-pipe will help make more low end torque. Now putting the x or even a h-pipe just before some cut-outs, that may be another matter. Check into a pipemax software program. It will give you among other things the best lengths the exhaust system needs to be for a particular engine combo. If your exhaust length is in between one of the ideal lengths, power will suffer. It will tell the prefered length if you want the exhaust system to be the shortest length possible and perform as it should.
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