Single muffler exhaust - Page 2 - Kawasaki Ninja 250R Forum
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post #11 of 13 (permalink) Old 11-20-2015, 06:37 PM
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Join Date: Nov 2015
Location: Toledo, Ohio usA
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Single muffler exhaust mod

I have a 2012 Ex250J header, and I have found a company in Romulus, Michigan who specializes in fabbing and bending thin wall aluminum, mild steel and stainless tubing. I will contact them to see what it would cost to fab the header pipes down to the collector, in 1 1/4" thin wall stainless tubing, so I can replace the 1" i.d. tubing that is stock for the header. I believe this would remedy the restrictive quality of the later 'J' model header, and still be cheaper than an aftermarket one. The tubing is about $10 per foot, times 3' so the cost of materials is affordable. How much to program their bender to replicate the 2-3 bends necessary to make each side, will be the only unknown cost for this. Each side is about 18" long, and they will be mitered to fit the collector, then welded. it will end up being considerably lighter than the 2-into-2 system that is OEM.
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post #12 of 13 (permalink) Old 12-25-2015, 04:59 AM
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Location: vietnam
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I love all the posts, I really enjoyed, I would like more information about this, Thanks for sharing
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post #13 of 13 (permalink) Old 01-03-2016, 04:24 AM
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The tubing cost would not be that much, perhaps $25, and the bends are reasonable at around $75... but they want a $200 setup fee for their bender, so having them do one set would not be cost- effective. Now, if we could get ten people, that wanted ten sets bent up, now THAT would be affordable! $120 for the tubing and bends plus setup fee would be more like it.
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exhaust, muffler, single

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