Have a new inch and 3/4 muffler twin cente exit , made by Manta. In anyones experience will this give more power better note, than my 2 in pipe with 2 1/2 in v8 muffler.
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| inch and 3/4 muffler more power or not https://www.ausmini.com/forums/viewtopic.php?f=2&t=45139 |
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| Author: | scudley [ Sun Aug 24, 2008 7:59 pm ] |
| Post subject: | inch and 3/4 muffler more power or not |
Have a new inch and 3/4 muffler twin cente exit , made by Manta. In anyones experience will this give more power better note, than my 2 in pipe with 2 1/2 in v8 muffler.
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| Author: | simon k [ Sun Aug 24, 2008 8:05 pm ] |
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chong made 10hp more with 1 3/4" exhaust than with one size up or down.... |
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| Author: | drmini in aust [ Sun Aug 24, 2008 10:32 pm ] |
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simon k wrote: chong made 10hp more with 1 3/4" exhaust than with one size up or down....
No, he finished up using a 2" system. So did my 1360. My 1412 made best power with 1-7/8". But 1-3/4" is a good starting point. 
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| Author: | simon k [ Sun Aug 24, 2008 10:58 pm ] |
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drmini in aust wrote: simon k wrote: chong made 10hp more with 1 3/4" exhaust than with one size up or down.... No, he finished up using a 2" system. So did my 1360. My 1412 made best power with 1-7/8". But 1-3/4" is a good starting point. really?? even you jumped up and down when you went back to an 1 3/4" - what was the change? |
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| Author: | drmini in aust [ Mon Aug 25, 2008 7:53 am ] |
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simon k wrote: drmini in aust wrote: simon k wrote: chong made 10hp more with 1 3/4" exhaust than with one size up or down.... No, he finished up using a 2" system. So did my 1360. My 1412 made best power with 1-7/8". But 1-3/4" is a good starting point. really?? even you jumped up and down when you went back to an 1 3/4" - what was the change? HaHa (1360) was 1-3/4" with Maniflow med bore LCB, and RC40- I then went to a 2" system after Chong did. 86.6HP ATW at MRC last year. Barney (1293) was 1-3/4" with Perry 3-1 and Lukey, before dyno day I put the RC40 on and binned the Lukey. That shut it up and gave more power too. 59.4HP ATW at MRC this year. 
Note the PO had mounted the Lukey back to front for more noise (but this restricted flow). |
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