gx270 exhaust question

BUhl27

Member
Do the gx270 share the same exhaust bolt pattern as the larger 390/420 predators? Have a stock one on a log splitter with the muffler rotted out and looking for replacements.
 

Kart43

Member
If it is Honda the 270 and the 390 are the same size and bolt spacing cannot tell you about the Predator or clones as they could be anything.
 

BUhl27

Member
If it is Honda the 270 and the 390 are the same size and bolt spacing cannot tell you about the Predator or clones as they could be anything.
Thanks. Know i saw most headers listed as 270/340/390/420. But NR has a chinese replacement listed as 340/390, i'm guessing Predator, for $10 rather than the 25 for 270. Pops is tired of burning his leg.
 

WinstonSmith

New member
Walking around Princess Auto at all the Real Honda and clone big blocks I notice some heads have an exhaust that slants up like a small block and others that point straight out.
The 270 seems to be the one most often points flat out while the larger displacements tend more to have this upward facing flange.
I would like to know what the internal differences are.
 
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