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Forum: General Q & A

06-13-2009, 12:55 PM

Replies: 16

Risers?

Views: 4,488

Posted By jeffswav

That is why the exhaust have a inner and outer...

That is why the exhaust have a inner and outer tube. The water keeps the exhaust cool. If you have db laws get mufflers, or switchable muflers.

Forum: General Q & A

06-10-2009, 05:24 PM

Replies: 16

Risers?

Views: 4,488

Posted By jeffswav

Good example long, medium and short:evilb:

Good example long, medium and short:evilb:

Forum: General Q & A

06-10-2009, 04:06 PM

Replies: 16

Risers?

Views: 4,488

Posted By jeffswav

Good risers should have a 4" outer diameter with...

Good risers should have a 4" outer diameter with at least a 3.5" inner diameter. The water travels through the exhaust and keeps it cool then exits at the end. The riser fits on top of the manifold....

Forum: General Q & A

06-10-2009, 10:01 AM

Replies: 16

Risers?

Views: 4,488

Posted By jeffswav

Long risers are used to prevent reversion....

Long risers are used to prevent reversion. Reversion is when the engine accutally sucks water back into the engine. So the further away the water mixes with exhaust the better.

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