Hey guys just installed the Pypes Pype Bomb exhaust today. Sounds great but I was looking for a little different sound. I would like the exhaust note to be a little higher pitch and not so deep. I was looking on Brenspeed.com and I saw that they sold a Pypes splice in X-Pipe. (I have to keep the cats on) Do you guys think it would change the exhaust note a little?
Splice in X-Pipe???
- Thread starter jakef7
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From what I understand, Yes. An x-pipe usually causes a slightly higher, raspier note than the h-pipe, and can lessen drone in some cases. If you don't care about cutting into your stock pipe, then this is the way to go. Plus, you should gain a couple hp from the improved flow. There's a youtube video of a guy with a 2010 and x-pipe with Pype Bomb, check it out.
SkyRender
Member
arcwcb
Member
SkyRender
Member
Yes, you keep your stock cats. It only replaces the H-pipe and clamps on behind the stock catalytic converters. This is probably the next mod I'm doing on my '11 GT.
BBK, for a 2011 GT: BBK Performance 1460 - BBK Performance H-Pipes, X-Pipes & Merge Pipes - Overview - SummitRacing.com
MagnaFlow, for a 2011 GT: MagnaFlow 16398 - MagnaFlow Tru-X Stainless Steel Crossover Pipes - Overview - SummitRacing.com
MagnaFlow, For a 2005-9 GT: MagnaFlow 15485 - MagnaFlow Tru-X Stainless Steel Crossover Pipes - Overview - SummitRacing.com
gmantheman
Member
The splice in X may not make that much of a difference. Here is video comparing stock h and slp lm with a splice in x and slp lm. I can't hear that much of difference. If you want a catted x, then get on that includes the cats. BBK, Pypes, magnflow, bassani, and slp make them. New these set-ups are $380 to about 450.
http://www.youtube.com/watch?v=OvBjesPpNT0&feature=channel_video_title
http://www.youtube.com/watch?v=OvBjesPpNT0&feature=channel_video_title
astronut1885
Founding Member
I've looked into this, and it seems pretty much it's a sound thing. Since the cats are the same, I don't think you will gain anything in performance, and the factory tubes are plenty big to already not offer restriction, but I have heard you get a bit higher and raspier tone. I am considering doing the same mod to get rid of some of the highway drone on my car, and its something you can do right in the driveway.
I'm considering doing it just to see what it sounds like. The Pype Bomb axle back sounds really aggressive and it has that low growl which I really like. But on the other hand I think it's a little too deep for my taste. It does drone quite a bit at lower speeds but I really don't mind it because my car isn't a daily driver. I've read some reviews on the splice in x pipe off of Brenspeed.com and everyone seems to really like the sound of it. One review stated they could feel a small HP increase.
SkyRender
Member
An x-pipe will give you better high RPM flow, will help eliminate resonance ("droning"), and shouldn't make much of a difference at low RPMs.
I'm going to give it a try. It will only cost $200 total installed. I would like to get rid of some of the drone. The drone that I have now makes things buzz inside the car at low RPM sometimes. It kinda bothers me. Maybe the x pipe will fix that. Plus I might pick up a few HP. I just hope it sounds good. I don't want to lose that aggressive growl that it has now.
gmantheman
Member
Pypes x-pipe design is ideal for flow. I do have the pypes catted X and I had one of the best exhaust shops in San Diego county do the install. Yes, I have done a mid-pipe install before but the pypes involved cutting and I wanted the cats welded on. The owner, Ed Hanson is one of the pioneers of the X-pipe. He said the pypes x-pipe design is an ideal design.
astronut1885
Founding Member
FRPP looks the same minus that little plate welded over the pipe union. I personally plan on going with whatever is cheapest as down the line I'm getting LTs and a Prochamber anyway.
