Franken-Shark's new dual exhaust
#1
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Franken-Shark needed to get a new exhaust system installed. The 85 system was too restrictive for all the hp the beast is now putting out
, but the 88 system didn't fit. ![Mad](https://rennlist.com/forums/images/smilies/mad.gif)
So, we got this nice setup custom made for us.![Big Grin](https://rennlist.com/forums/images/smilies/biggrin.gif)
![](https://rennlist.com/forums/members/leslie-928-s2-albums-franken-shark-85-s2-body-88-s4-engine-conversion-car-picture758-exhaust-back-to-front.jpg)
There's a lot more breathing room now, and it sounds F'n awesome!
We have Ed (Obehave) to thank for this incredible new exhaust system. Thanks Ed!!
![evilgrin](https://rennlist.com/forums/graemlins/evilgrin.gif)
![Mad](https://rennlist.com/forums/images/smilies/mad.gif)
So, we got this nice setup custom made for us.
![Big Grin](https://rennlist.com/forums/images/smilies/biggrin.gif)
![](https://rennlist.com/forums/members/leslie-928-s2-albums-franken-shark-85-s2-body-88-s4-engine-conversion-car-picture764-exhaust-full-length.jpg)
![](https://rennlist.com/forums/members/leslie-928-s2-albums-franken-shark-85-s2-body-88-s4-engine-conversion-car-picture759-exhaust-front-to-back.jpg)
![](https://rennlist.com/forums/members/leslie-928-s2-albums-franken-shark-85-s2-body-88-s4-engine-conversion-car-picture761-exhaust-crossover-o2.jpg)
![](https://rennlist.com/forums/members/leslie-928-s2-albums-franken-shark-85-s2-body-88-s4-engine-conversion-car-picture762-mufflers.jpg)
![](https://rennlist.com/forums/members/leslie-928-s2-albums-franken-shark-85-s2-body-88-s4-engine-conversion-car-picture757-exhaust-middle.jpg)
![](https://rennlist.com/forums/members/leslie-928-s2-albums-franken-shark-85-s2-body-88-s4-engine-conversion-car-picture760-exhaust-0rear.jpg)
![](https://rennlist.com/forums/members/leslie-928-s2-albums-franken-shark-85-s2-body-88-s4-engine-conversion-car-picture758-exhaust-back-to-front.jpg)
There's a lot more breathing room now, and it sounds F'n awesome!
![rockon](https://rennlist.com/forums/graemlins/rockon.gif)
We have Ed (Obehave) to thank for this incredible new exhaust system. Thanks Ed!!
![Cheers](https://rennlist.com/forums/images/smilies/beerchug.gif)
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Is something missing? H-pipe into two cats but no mufflers? hard to tell form the picks. Still nice work. Someday I'll get someone with skills to do mine in order to replace the piece meal set up I did myself.
#5
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Nice setup! I guess that's kind of an 'H' pipe?
Does the O2 sensor work OK there? I would think it would be out of the flow there in the middle.
I don't know nothin' bout exhaust stuff, but I'd be curious to see if there was any difference if you had a bung put in and an O2 sensor on either side in the side pipe. I know Kevin had the Split Second AFM setup, is he going to add that?
Can't wait to see/hear it!
Does the O2 sensor work OK there? I would think it would be out of the flow there in the middle.
I don't know nothin' bout exhaust stuff, but I'd be curious to see if there was any difference if you had a bung put in and an O2 sensor on either side in the side pipe. I know Kevin had the Split Second AFM setup, is he going to add that?
Can't wait to see/hear it!
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Just as soon as it's Sharktuned. Which will be just as soon as they figure out how to work it.
![Big Grin](https://rennlist.com/forums/images/smilies/biggrin.gif)
Actually, yes, glasspacks with 2.5" pipes. With just the packs, it really sounded just right. Like a massive thunderstorm. Or war.
![evilgrin](https://rennlist.com/forums/graemlins/evilgrin.gif)
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Nice setup! I guess that's kind of an 'H' pipe?
Does the O2 sensor work OK there? I would think it would be out of the flow there in the middle.
I don't know nothin' bout exhaust stuff, but I'd be curious to see if there was any difference if you had a bung put in and an O2 sensor on either side in the side pipe. I know Kevin had the Split Second AFM setup, is he going to add that?
Can't wait to see/hear it!
Does the O2 sensor work OK there? I would think it would be out of the flow there in the middle.
I don't know nothin' bout exhaust stuff, but I'd be curious to see if there was any difference if you had a bung put in and an O2 sensor on either side in the side pipe. I know Kevin had the Split Second AFM setup, is he going to add that?
Can't wait to see/hear it!
All we can say is that Ed does REALLY nice work.
![Big Grin](https://rennlist.com/forums/images/smilies/biggrin.gif)
#7
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The O2 location is about the same as stock, just on the other side of the H cross-pipe, although it should be above horizontal (i.e., 2 o'clock)
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#8
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The jury is still out on the O2 location, Mike. Already planned on adding a bung to check the theory.
All we can say is that Ed does REALLY nice work.
All we can say is that Ed does REALLY nice work.
![Big Grin](https://rennlist.com/forums/images/smilies/biggrin.gif)
![Stick Out Tongue](https://rennlist.com/forums/images/smilies/tongue.gif)
I'm just going by the little I've read about them and the fact that there is really an art to 'tuning' the shape and volume in order to the the most benefit out of them.
Kevin will need another bung in there for dyno testing and possibly a third for his AFM, so it will be easy enough to test, he can just switch them around to see if they all give the same results.