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| Waggin |
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Looking at going dual pipes for the Fairmont once she's back on the road.
What diam. pipes are recommended.. Its currently running Genie headers and stock cats. Will probably go Pacemakers and Hi-Flow cats.
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| 4.9 EF Futura |
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Dual the whole way? Not sure about EB but not possible on EF thanks to fuel tank, believe this is plastic where the 'would-be' passenger side zorst tip would go. What's the go on an EB?
For a stocker prolly not much point going larger than 2x 2.25inch
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| Waggin |
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{USERNAME} wrote: Dual the whole way? Not sure about EB but not possible on EF thanks to fuel tank, believe this is plastic where the 'would-be' passenger side zorst tip would go. What's the go on an EB?
For a stocker prolly not much point going larger than 2x 2.25inch Petrol tank is coming out - Straight LPG! 
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| XRFan101 |
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Hell yeah, then you got the right thing going there!
 I would say that twin 2.25inch would be the best. I wouldnt go ne higher than twin 2.5inch thou.
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{USERNAME} wrote: {USERNAME} wrote: Dual the whole way? Not sure about EB but not possible on EF thanks to fuel tank, believe this is plastic where the 'would-be' passenger side zorst tip would go. What's the go on an EB? For a stocker prolly not much point going larger than 2x 2.25inch Petrol tank is coming out - Straight LPG! Errr, yeah.... i knew that
You plan on doing anything to the engine brad? Sorry, let me re-phrase that..... HOW MUCH do you plan on doing to the engine brad?
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| Waggin |
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{USERNAME} wrote: Hell yeah, then you got the right thing going there!
I would say that twin 2.25inch would be the best. I wouldnt go ne higher than twin 2.5inch thou.Its just going to be a quiet (economical!) daily driver.. not looking for any stupid power figures. It'll get cam/roller rockers/underdrive pulley/inlet manifold and a nice LPG kit.
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| XRFan101 |
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{USERNAME} wrote: {USERNAME} wrote: Hell yeah, then you got the right thing going there! I would say that twin 2.25inch would be the best. I wouldnt go ne higher than twin 2.5inch thou.Its just going to be a quiet (economical!) daily driver.. not looking for any stupid power figures. It'll get cam/roller rockers/underdrive pulley/inlet manifold and a nice LPG kit. Yeah i would say that twin 2.25 inch would be the best, as was suggested. One of my mates has a V8 Torana and has twin 2.25 inch pipes sounds pretty nice 
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| One Drone |
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Twin 2.25 with one single straight through muff on each pipe.
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| Waggin |
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{USERNAME} wrote: Twin 2.25 with one single straight through muff on each pipe.
No resonator ? What are the stock cats like?
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| slycruza |
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i did difilpio extractors..and 3inch high flow cat, muffler, resy and 3 inch pipe work with twin 3 1/2inch tip all stainless steel polished looks and sounds awsome!! also performance gain was pretty awsome as well.. i did 3 inch cause the work im doin to my motor...
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| XRFan101 |
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You could have the two pipes run into a twin Hi flow muffler then into a single pipe for a bit then back into two pipes which have i small muffler on each of those.
If your wondering what the hell im going on about look in a PFM mag or something, Di Filippo have that kind of design. Something like that would be good.
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| Waggin |
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{USERNAME} wrote: You could have the two pipes run into a twin Hi flow muffler then into a single pipe for a bit then back into two pipes which have i small muffler on each of those.
If your wondering what the hell im going on about look in a PFM mag or something, Di Filippo have that kind of design. Something like that would be good. Noo.. REAL dual
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| EF 4.9 |
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Go a twin 2 1/2 with a straight theough muff on each side, you will also need a balance pipe in there somewhere. you should not need resonators
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| XRFan101 |
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{USERNAME} wrote: {USERNAME} wrote: You could have the two pipes run into a twin Hi flow muffler then into a single pipe for a bit then back into two pipes which have i small muffler on each of those. If your wondering what the hell im going on about look in a PFM mag or something, Di Filippo have that kind of design. Something like that would be good. Noo.. REAL dual Oh fine then, lol  either way it will be good
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| KTASTRPHE |
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{USERNAME} wrote: Go a twin 2 1/2 with a straight theough muff on each side, you will also need a balance pipe in there somewhere. you should not need resonators
what he said - dont go over 2 1/2 unless you are going to do extra special things to the car - you will lose too much down low. Ive got twin 3" pipes (cats/hotdog/mufflers too) and they are only really good for the 'higher' rev range - not good for economical daily driving. Most exhaust places will tell you that anyway brad. |
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