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  #51  
Old 07-24-2012, 07:17 PM
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Quote:
Originally Posted by pnoyako85 View Post
just the thought..lol.....
I hear ya.

I'm really surprised there's not as much raspiness with an H-pipe. I would have thought there would be MORE compared to an X-pipe.
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  #52  
Old 07-24-2012, 07:55 PM
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Quote:
Originally Posted by TwinsPoppa View Post
You could .... but why?! LOL!

Sound-wise, based on that first audio I would go with H-pipe.

However, because we don't have a true head-to-head comparison recorded from the same cam - its really hard to truly know how they compare. I'd love to have an X-piped vehicle next to his and recorded with the same cam.

Need to find someone with X-pipe close to him and do the comparo. The placement of X-pipe also matters. Some install in center with extension pipes on both sides of X-pipe and others have done X-pipe at very beginning with extension afterwards, replacing the resonator.
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  #53  
Old 07-24-2012, 08:25 PM
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it will in the BMW MEET Bimmerfest.....

Twinspoppa got the GOOD NEWS...we Can Tailgate Everyone!!!!.........I have a 14" grill....pretty small but good enought for burgers. and dogs...as the food their is about $8 for dogs i believe last year....i know its pretty expensive....we'll park at the end close to the hiway for us tailgaters..lol....

Pnoyako
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are in so far..we can all chip in maybe we'll need another portable grill if its alot of people...but thats good we can do it...
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  #54  
Old 07-24-2012, 09:05 PM
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The H pipe does sound better. How is the torque now with it in place? And did you remove the resonators? Awsome.
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  #55  
Old 07-25-2012, 09:08 AM
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I like it!

The H-pipe mod is now a higher priority in my todo list
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  #56  
Old 07-25-2012, 10:00 AM
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yes resonator was cut out (removed) & a stainless steel h-pipe with straight connector in middle (not arched) was added in the resonator's place - that was the only work that was done.. 3hrs labor.. $430 or something like that the shop charged.. Torque is almost identical - i cant feel a substantial difference - and this maybe because I feel like the HP went up by a bit.. I feel if I floor the car it breathes so much easier - exhaust gases flow out easier & guts down the line faster... The RPMs go up to 5,500 alot faster it feels.. it picks up speed a bit faster then before... maybe its just a feeling but it seems to be true.. i felt maybe before I had a little extra tap (torque) power in lower level rpm - but its almost unnoticeable (unless maybe your towing or something).. before it felt like it had a little more ummppp in lower RPM - a little more pull - but now it revs faster... with the H pipe I feel there is increase in HP... so i guess it evens it out??? --- maybe torque fell by a very very very small margin - but HP def increased by a noticeably margin... thats my feeling atleast... would have to dyno it to be 100% sure but this is what I feel driving the car for the past week....

Last edited by BMW-x5-48is; 07-25-2012 at 10:05 AM.
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  #57  
Old 07-25-2012, 01:23 PM
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Quote:
Originally Posted by BMW-x5-48is View Post
yes resonator was cut out (removed) & a stainless steel h-pipe with straight connector in middle (not arched) was added in the resonator's place - that was the only work that was done.. 3hrs labor.. $430 or something like that the shop charged.. Torque is almost identical - i cant feel a substantial difference - and this maybe because I feel like the HP went up by a bit.. I feel if I floor the car it breathes so much easier - exhaust gases flow out easier & guts down the line faster... The RPMs go up to 5,500 alot faster it feels.. it picks up speed a bit faster then before... maybe its just a feeling but it seems to be true.. i felt maybe before I had a little extra tap (torque) power in lower level rpm - but its almost unnoticeable (unless maybe your towing or something).. before it felt like it had a little more ummppp in lower RPM - a little more pull - but now it revs faster... with the H pipe I feel there is increase in HP... so i guess it evens it out??? --- maybe torque fell by a very very very small margin - but HP def increased by a noticeably margin... thats my feeling atleast... would have to dyno it to be 100% sure but this is what I feel driving the car for the past week....
You going to Bimmerfest? If so, we can record yours and mine with the same cam and at least get a better comparison.
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  #58  
Old 07-25-2012, 04:16 PM
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BMW4.8is...roll with us ..were meeting at exit 11 south side rest stop on the trnpke around 6-7am...
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  #59  
Old 07-25-2012, 11:09 PM
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Too raspy for me. How about the h-pipe without the resonator removed? Would that work?
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  #60  
Old 09-09-2012, 02:24 AM
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Improved Exhaust.......>>>>
its music to my Ears........


BMW X5 Exhaust - YouTube
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Last edited by pnoyako85; 09-09-2012 at 02:55 AM.
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