ideal x-pipe positioning for performance gain?

[Turbo_Bimmer]

Originally Posted by TowX

I pulled out my x, replaced it with a simple H-pipe and the performance immediately was back to where it was stock and maybe slightly better.

TowX, can you tell me if there is a difference in sound between the x-pipe and the h-pipe.
I'm leaning on the side of a h-pipe because I need all the torque available to tow my racecar, and also, it is simpler and less expensive to install.
I just want to know if there is no burble or pop pop from the exhaust on deceleration.
Thanks.


EDIT:
I just found this video on YouTube where the guy tests a x vs h-pipe back to back on a Mustang. The h-pipe seems to have a lower tone compared to the x-pipe. Did you experiences the same TowX?
YouTube - Mustang Exhaust - H VS X Pipe

[TowX]

Originally Posted by Turbo_Bimmer

TowX, can you tell me if there is a difference in sound between the x-pipe and the h-pipe.
I'm leaning on the side of a h-pipe because I need all the torque available to tow my racecar, and also, it is simpler and less expensive to install.
I just want to know if there is no burble or pop pop from the exhaust on deceleration.
Thanks.


EDIT:
I just found this video on YouTube where the guy tests a x vs h-pipe back to back on a Mustang. The h-pipe seems to have a lower tone compared to the x-pipe. Did you experiences the same TowX?
YouTube - Mustang Exhaust - H VS X Pipe

The H is a bit deeper, maybe a bit raspier, than with the X. But I only had the X on for a week and pulled it off. The only time the exhaust pops or burbles on decel is first thing in the morning when the exhaust is cold. Once warmed up, no popping at all. Though on some cars I like the burble, stainless steel mufflers on a 911 or 930 burble on decel and I think it sounds good. But my 4.4 doesn't. Frankly from inside the car there's just a bit deeper rumble, and from outside a nice sound that isn't loud at all. And towing my trailer for hours at a time is comfortable, no resonance or loud exhaust that can get tiring on long tows.

What are you towing?

[Turbo_Bimmer]

Originally Posted by TowX

The H is a bit deeper, maybe a bit raspier, than with the X. But I only had the X on for a week and pulled it off. The only time the exhaust pops or burbles on decel is first thing in the morning when the exhaust is cold. Once warmed up, no popping at all. Though on some cars I like the burble, stainless steel mufflers on a 911 or 930 burble on decel and I think it sounds good. But my 4.4 doesn't. Frankly from inside the car there's just a bit deeper rumble, and from outside a nice sound that isn't loud at all. And towing my trailer for hours at a time is comfortable, no resonance or loud exhaust that can get tiring on long tows.

What are you towing?

Thanks for the reply.
I'm towing a E30 (the one in my sig).Right now I use an Econoline, and my E46 is my daily driver. In April, I will sell both of these vehicle and replace them by a 4.4 X5, and of course some mods including a sportier exhaust note.

[TowX]

Originally Posted by Turbo_Bimmer

Thanks for the reply.
I'm towing a E30 (the one in my sig).Right now I use an Econoline, and my E46 is my daily driver. In April, I will sell both of these vehicle and replace them by a 4.4 X5, and of course some mods including a sportier exhaust note.

Very nice. I tow my track car, and try to avoid driving offroad as best I can.

My '04 4.4 tows extremely well. When I was pulling my 911 on my open aluminum trailer it was no big deal to set the cruise at 75 and go for hours at a time comfortably.

Unfortunately my new enclosed trailer has max'd out the tow rating of the X5. By the time I load the car (2450 lbs) into the trailer (2900) and throw in 8 spare wheels and tires (350), tool chest (250) and spare parts (250), I'm at the tow rating. Sure, the engine has the power, but I can't come close to being able to see around the trailer. I've tried the aftermarket mirror extensions but at highway speeds they vibrate so much that anything along side is just a blurr. Too bad because the 4.4 pulls so well, and being able to leave the Steptronic trans in 5th at highway speeds is the perfect powertrain setup. I can pull at 70 pretty easily, just can't see. So sadly I'm now looking at changing vehicles- Yukon Denali or Infiniti QX56. Might just sell my 528 and keep the X5 as my daily driver though.

[Turbo_Bimmer]

Originally Posted by TowX

Very nice. I tow my track car, and try to avoid driving offroad as best I can.

My '04 4.4 tows extremely well. When I was pulling my 911 on my open aluminum trailer it was no big deal to set the cruise at 75 and go for hours at a time comfortably.

Unfortunately my new enclosed trailer has max'd out the tow rating of the X5. By the time I load the car (2450 lbs) into the trailer (2900) and throw in 8 spare wheels and tires (350), tool chest (250) and spare parts (250), I'm at the tow rating. Sure, the engine has the power, but I can't come close to being able to see around the trailer. I've tried the aftermarket mirror extensions but at highway speeds they vibrate so much that anything along side is just a blurr. Too bad because the 4.4 pulls so well, and being able to leave the Steptronic trans in 5th at highway speeds is the perfect powertrain setup. I can pull at 70 pretty easily, just can't see. So sadly I'm now looking at changing vehicles- Yukon Denali or Infiniti QX56. Might just sell my 528 and keep the X5 as my daily driver though.

I whish I had an enclosed trailer! My open, steel trailer, with car, jerricans, extra tires is around 5000lbs, so it should be ok, even easy with the 4.4.

You say you use 5th gear. Is it you that forces it into 5th, or it downshifts by itself and stays there (assuming you have a 6speed).

Instead of selling the X, why don't you install 3 cheap backup cameras or RCA output surveillance cameras? One at the front left top of the trailer to cover the left side, one on the opposite side, and one at the back top. With some wiring and some imagination, it could be possible to have buttons or an electronic circuit that cycles through all 3 cameras continiously and send images on the screen (temporarely mounted on the console to the cigarette lighter). You already have 12V in the trailer... Just a thought.