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#1
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What the inside of the resonator looks like
Two straight pipes with staggered perforated sections and baffles. They also seem chambered at the middle so basically stock has no crossovers at all. This ends the x-pipe vs straight pipe debate now lol jkjk Sent from my iPhone using Tapatalk Pro
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2005 Imola 4.8iS |
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#2
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Brilliant. Thanks for doing the dirty work.
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2001 E53 3.0 5pd |
#3
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Bravo sir. Bravo.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#4
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I always thought that they cross over. I guess not. I went with an X-pipe after I deleted the resonator.
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5G Ford Ranger Lariat 2022 E36/7 Z3 97 1.9 New project E53 X5 4.6is 02 OFF to Bring a trailer soon Land Rover Disco 2 03 - sold Kawasaki Z900B 17- sold E53 X5 3.0 5M/T 01-sold-again E53 X5 4.4 05-the beast a 4.8tu swap. at 150k -SOLD E83 X3 3.0-the wife's - sold R56 Mini Cooper S 07-sold E36 M3 97 - sold E36 M3 98-sold E39 528i 00-sold E30 318i 91-sold E36 M3 95-sold https://www.youtube.com/channel/UCcI..._as=subscriber |
#5
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This is so good!
Got me thinking on new ideas for my resonator! |
#6
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I had straight pipes before and honestly wasn't too happy after doing x-pipes.
So I was really curious what it looked like inside. On my 4.8is the X-pipe made it really quiet and all burble was lost as well. Thinking of going back to straight pipes especially even more now that I see factory had no crossover what so ever. One thing that was definitely noticeable after x-pipe was that the engine breaking was definitely reduced, especially noticeable with the ZF 6spd which likes to downshift early when coasting to a stop. It was smoother for sure with the X-pipe but I want my sound back. Sent from my iPhone using Tapatalk Pro
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2005 Imola 4.8iS |
#7
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Can you see where it goes down from 55mm to 50mm on the drivers side exhaust inlet? Is there any connection between the front chamber and the rear?
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A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams 2003 X5 4.6is Estoril Blue 2005 Infiniti G35X 1972 Datsun 240Z 1991 Isuzu Impulse XS Sold 1972 Fiat 850 Spyder Donated 1972 Datsun 240Z Sold 1972 Datsun 510 Sold |
#8
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No there is no connection from front to back. The two chambers are completely blocked off.
Sent from my iPhone using Tapatalk Pro
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2005 Imola 4.8iS |
#9
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Been thinking of trying an h-pipe as well and searching here so many people are were wrong (probably just assuming) that the stock resonator has an x-pipe inside or some type of balancing act lol
Sent from my iPhone using Tapatalk Pro
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2005 Imola 4.8iS |
#10
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Just last week I removed my centre resanator on my 4.8is...and had an h pipe installed...i love it..!!!...i kept my centre resanator and was going to cut it open today when I had the chance...so imagine my surprise when I saw this post lol...
One week on form getting my h pipe I still love starting it up...just to hearvtue sound lol Sent from my SM-G389F using Xoutpost.com mobile app |
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