My comments are the same for a h pipe. H and x are pretty much the same. The original exhausts are not connected to each other.jonson66 wrote:So what's the point in fitting an x pipe then? By the looks of it everyone is better off with a h?
RS4 B7 stock resonator delete
Re: RS4 B7 stock resonator delete
Re: RS4 B7 stock resonator delete
Ahh I'm with you so the original isn't an H pipe then? What's better then H or original?
Re: RS4 B7 stock resonator delete
There is a theory that an X pipe or H pipe will increase scavenging or something like that with the exhuast gases and give you more power.
I doubt you'd notice the difference though. All the exhaust fabricators I spoke to said they wouldn't bother with it (but i know they are no experts on the subject and probably just wanted an easier exhaust to make). So theoretically a h or x pipe is better but debatable as to whether it is worth it.
I believe it also changes the sound slightly.
I doubt you'd notice the difference though. All the exhaust fabricators I spoke to said they wouldn't bother with it (but i know they are no experts on the subject and probably just wanted an easier exhaust to make). So theoretically a h or x pipe is better but debatable as to whether it is worth it.
I believe it also changes the sound slightly.
Re: RS4 B7 stock resonator delete
What would you say gives the best sound? I've seen vids of yours with the tubi and it sounds epic but the jc weldfab sounds amazing. Not sure if they use a h or x pipe thoughMikeFish wrote:There is a theory that an X pipe or H pipe will increase scavenging or something like that with the exhuast gases and give you more power.
I doubt you'd notice the difference though. All the exhaust fabricators I spoke to said they wouldn't bother with it (but i know they are no experts on the subject and probably just wanted an easier exhaust to make). So theoretically a h or x pipe is better but debatable as to whether it is worth it.
I believe it also changes the sound slightly.
Re: RS4 B7 stock resonator delete
My tubi had a h pipe. I cant say what the difference is like as I changed many things at the same time.
I know Ross did some testing with JCWF on his B8 whici ncluded swapping H for X to see the difference.
I know Ross did some testing with JCWF on his B8 whici ncluded swapping H for X to see the difference.
Re: RS4 B7 stock resonator delete
For me and the reason I asked was more around not wanting to do a cheap job. I don't want to cut corners to save a few quid, it was not to try and squeeze out extra power.
Re: RS4 B7 stock resonator delete
In that case it is like I said, no x or h pipe will make it the same as it is now. If you are not after power then stick with straight through pipes, no need to complicate it for nothing.jonytek wrote:For me and the reason I asked was more around not wanting to do a cheap job. I don't want to cut corners to save a few quid, it was not to try and squeeze out extra power.
Re: RS4 B7 stock resonator delete
I had a xpipe fitted the other day, sound wise didnt really notice a big change, posted pics of it in another thread.
viewtopic.php?f=35&t=121292#p806649
viewtopic.php?f=35&t=121292#p806649
Current-saloon rs4,Full decat Xpipe miltek,cold air feed,BMC air filter, TTS supercharged, MRC stage 3 L/C F/S,hell s+s brake lines,AP racing rotors + vagbremtechnic bells, kw v3s clifford 650mk2
Gone-audi s3 8p stage2+ with loba lo400 turbo.
Gone-audi s3 8p stage2+ with loba lo400 turbo.
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Re: RS4 B7 stock resonator delete
Of course! That would be the only honest thing to do, together with letting them know that someone "stole" my front plate!jonytek wrote:Definitely jumping on this. Are you guys letting your insurance know about this one?

Re: RS4 B7 stock resonator delete
So I cut out the resonator over the weekend and to be honest I was expecting a little bit more. I was expecting more crackle and a deeper tone (valves disconnected).I'll be gutting the precats so we'll see if that makes a difference otherwise I will have to look into a JC Weldfab......
Re: RS4 B7 stock resonator delete
When I finally get one which I will, she will be getting a jc weldfab after weeks of searching for the best lol
Re: RS4 B7 stock resonator delete
You won't regret spending the money on a jc weld, it's awesome
Re: RS4 B7 stock resonator delete
+1!Rw@@dy wrote:You won't regret spending the money on a jc weld, it's awesome

2007 RS4 B7 Avant
Phantom Black | Black Optics | MRC Stage 2 | JC Weldfab Exhaust | KW V3 coilovers | H&R ARBs | 20" Ispiri ISR-8 | Titanium wing mirrors | Driving Passion Diffuser | CF Air Intake | Manifold deflap | Alcantara/leather retrim | TT RS Steering Wheel | Pioneer Apple Carplay HU, JL amp and sub, Focal components | Clear Headlight Lenses, Black Internals, 6000K Bulbs | Trups LEDs | LED Tail lights |
Re: RS4 B7 stock resonator delete
Saw your car in there on Friday while I was having mine fitted, looking good mate!FaisalJ wrote:+1!Rw@@dy wrote:You won't regret spending the money on a jc weld, it's awesome
Re: RS4 B7 stock resonator delete
Thanks dude! Looking forward to getting it back tonight!Rw@@dy wrote:Saw your car in there on Friday while I was having mine fitted, looking good mate!FaisalJ wrote:+1!Rw@@dy wrote:You won't regret spending the money on a jc weld, it's awesome
I was driving around the wifey's golf over the weekend, wishing I had my RS back already for the exhaust noise!
In case any of you guys haven't seen it:
https://www.youtube.com/watch?v=65SZXj4fTXA
Also, a couple of clips when the car had a modified OEM system, with precats deleted, an x-pipe, and valves stuck open:
https://www.youtube.com/watch?v=E-Bm-gmEP6E
Hard to pay attention to my car with David's R8 in this vid, but if you listen really really carefully....
https://www.youtube.com/watch?v=vxJwGPXlFE0

2007 RS4 B7 Avant
Phantom Black | Black Optics | MRC Stage 2 | JC Weldfab Exhaust | KW V3 coilovers | H&R ARBs | 20" Ispiri ISR-8 | Titanium wing mirrors | Driving Passion Diffuser | CF Air Intake | Manifold deflap | Alcantara/leather retrim | TT RS Steering Wheel | Pioneer Apple Carplay HU, JL amp and sub, Focal components | Clear Headlight Lenses, Black Internals, 6000K Bulbs | Trups LEDs | LED Tail lights |
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