Which is the best for volvo S60 T5 2002 63mm or 76mm exhaust I am going to
Evolve to do the softwwear and got k&n filter
does no one know
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JDS60R
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Ask Evolve what they recommend. If that is who you are getting your tune with. I prefer IPD but its your money.
Normally the exhaust past the turbo should be restricted as little as possible. That being said the exhaust temps have cooled down in the first 3 feet so after that the pipe can be somewhat smaller. This is why most report a happy gain from a downpipe.
A very large open exhaust is only useful for upsetting your neighbors and giving a reason for the local police to stop you. Once you have adequate flow you are fine. The old school sizing for a downpipe was to accomplish a maximum velocity of 250ft/second.
Normally the exhaust past the turbo should be restricted as little as possible. That being said the exhaust temps have cooled down in the first 3 feet so after that the pipe can be somewhat smaller. This is why most report a happy gain from a downpipe.
A very large open exhaust is only useful for upsetting your neighbors and giving a reason for the local police to stop you. Once you have adequate flow you are fine. The old school sizing for a downpipe was to accomplish a maximum velocity of 250ft/second.
Retired
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JRL
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It depends on how LOUD you want it
The larger exhausts are loud and they usually drone
The larger exhausts are loud and they usually drone
Mod note. Jim passed away in early 2022, his contributions to this forum are immortal, and he is missed. RIP
2000 V70R Black, 144,000 miles Wife's R.
2007 V70 2.5T White/Oak 111,000 MILES. Polestar tune, IPD bars, rear spoiler, dark grey Thors, DWS 06, HU850, sub.
2000 V70R Black, 144,000 miles Wife's R.
2007 V70 2.5T White/Oak 111,000 MILES. Polestar tune, IPD bars, rear spoiler, dark grey Thors, DWS 06, HU850, sub.
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