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| Joined: | 03-11-2005 |
| Location: | San Anselmo, California USA |
| Posts: | 983 |
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I think its longer for horsepower and shorter for torque.
| View single post by Jensen Healey | |||||||||||||
| Posted: 09-20-2005 02:57 pm |
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Jensen Healey
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I have the 1 5/8" that were on the 40's when I bought them. They may be original JH stacks. I think its longer for horsepower and shorter for torque.
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