What exhaust with Spohn TA
01-21-2006, 10:10 PM
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What exhaust with Spohn TA I currently have H/C w/hooker headers and Loudmouth....I love it but I was wondering what would be the best for max performance. I have the Spohn torque arm that mounts to the subframe. I was wondering if there was any true dual system that will work, or any other exhaust that you guys would recommend.
Thanks in advance
Thanks in advance
01-26-2006, 05:10 AM
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Originally Posted by mike#9
I currently have H/C w/hooker headers and Loudmouth....I love it but I was wondering what would be the best for max performance. I have the Spohn torque arm that mounts to the subframe. I was wondering if there was any true dual system that will work, or any other exhaust that you guys would recommend.
Thanks in advance
Thanks in advance
The LM flows pretty good so really isn't a restriction.
A set of 2.5" duals has the ability to flow better, but with ~340rwhp your Y pipe is probably flowing well enough. I would be surpised if you picked any more than 8-10rwhp by going duals. However you never know, but you could also loose a few HP if you negatively affect the exhaust pressure wave.
If you plan on more mods then a custom dual setup may help, or maybe upping the Y and catback to 3.5" tubing. However for the price of a new setup I would probably spend the money on other mods.
Check the sticky out - Mod Guide, post 13 onwards. It explains all about making a zero loss exhaust system.
01-26-2006, 09:25 AM
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Originally Posted by 300bhp/ton
The setup you have is probably not bad. A swap over to some different headers might pick you up a few ponies, but then again it may not.
The LM flows pretty good so really isn't a restriction.
A set of 2.5" duals has the ability to flow better, but with ~340rwhp your Y pipe is probably flowing well enough. I would be surpised if you picked any more than 8-10rwhp by going duals. However you never know, but you could also loose a few HP if you negatively affect the exhaust pressure wave.
If you plan on more mods then a custom dual setup may help, or maybe upping the Y and catback to 3.5" tubing. However for the price of a new setup I would probably spend the money on other mods.
Check the sticky out - Mod Guide, post 13 onwards. It explains all about making a zero loss exhaust system.
The LM flows pretty good so really isn't a restriction.
A set of 2.5" duals has the ability to flow better, but with ~340rwhp your Y pipe is probably flowing well enough. I would be surpised if you picked any more than 8-10rwhp by going duals. However you never know, but you could also loose a few HP if you negatively affect the exhaust pressure wave.
If you plan on more mods then a custom dual setup may help, or maybe upping the Y and catback to 3.5" tubing. However for the price of a new setup I would probably spend the money on other mods.
Check the sticky out - Mod Guide, post 13 onwards. It explains all about making a zero loss exhaust system.
Sorry about my old sig....I have around 440-450 rwhp. That 340 was just headers untuned about 3 years ago.
I wanted to get a set of duals but I really don't think that anything will fit.
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01-26-2006, 09:37 AM
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Originally Posted by mike#9
Sorry about my old sig....I have around 440-450 rwhp. That 340 was just headers untuned about 3 years ago.
I wanted to get a set of duals but I really don't think that anything will fit.
I wanted to get a set of duals but I really don't think that anything will fit.
I saw a pic a while back where someone had the X fitted over the bulge of the T/A, It looked like a tight fit but it did work, then all you need to do is run the pipes out the back or dump them.
Another alternative would be to have a custom H pipe setup, it will make similar numbers to an X and sound a little different.
Your 3" Y/catback setup will be costing you a few hp due to the restricted flow rate at that level of bhp. However how much you are loosing is difficult to tell, it may be anywhere from 5-25rwhp there's not really anyway of telling without trying different setups to see what you get.
A 2.5" dual setup is fine for no restrictions on a 500bhp motor. A 3.5 Y is probably not too far behind and a 4" is very good but clearance is a pain. 3" duals can also be more difficult to route and will see best gains with 550bhp+ engines and beyond.
05-11-2006, 08:58 AM
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Originally Posted by 300bhp/ton
Yeah there are, you just need them custom fabbed. Which torque arm do you have? As Spohn make one for LT's.
I saw a pic a while back where someone had the X fitted over the bulge of the T/A, It looked like a tight fit but it did work, then all you need to do is run the pipes out the back or dump them.
Another alternative would be to have a custom H pipe setup, it will make similar numbers to an X and sound a little different.
Your 3" Y/catback setup will be costing you a few hp due to the restricted flow rate at that level of bhp. However how much you are loosing is difficult to tell, it may be anywhere from 5-25rwhp there's not really anyway of telling without trying different setups to see what you get.
A 2.5" dual setup is fine for no restrictions on a 500bhp motor. A 3.5 Y is probably not too far behind and a 4" is very good but clearance is a pain. 3" duals can also be more difficult to route and will see best gains with 550bhp+ engines and beyond.
I saw a pic a while back where someone had the X fitted over the bulge of the T/A, It looked like a tight fit but it did work, then all you need to do is run the pipes out the back or dump them.
Another alternative would be to have a custom H pipe setup, it will make similar numbers to an X and sound a little different.
Your 3" Y/catback setup will be costing you a few hp due to the restricted flow rate at that level of bhp. However how much you are loosing is difficult to tell, it may be anywhere from 5-25rwhp there's not really anyway of telling without trying different setups to see what you get.
A 2.5" dual setup is fine for no restrictions on a 500bhp motor. A 3.5 Y is probably not too far behind and a 4" is very good but clearance is a pain. 3" duals can also be more difficult to route and will see best gains with 550bhp+ engines and beyond.
It is a nice piece though!!
