Headers... Are they worth it? - Toyota Yaris Forums

mr_robot · 11-09-2017, 12:09 PM

I just don't see how aftermarket headers especially the Megan ones would gain anything compared to stock.

I took at look at the stock and it's actually a header not a manifold.

For headers to provide gains, it would need to increase velocity. People are so concerned about "flow" and restrictions when exhaust is not really affected by neither too much as it's pulses rather a flow.

So anyways, lol I decided not to get headers unless you go with a full length type that puts the collector further away and actually increase scavenging and velocity.

Lastly, I would still get the Megans and the likes if the header was visible from the engine bay, at least it would look pretty haha!

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11-09-2017, 12:09 PM	#9
mr_robot Drives: Yaris Join Date: Oct 2017 Location: NYC Posts: 68	I just don't see how aftermarket headers especially the Megan ones would gain anything compared to stock. I took at look at the stock and it's actually a header not a manifold. For headers to provide gains, it would need to increase velocity. People are so concerned about "flow" and restrictions when exhaust is not really affected by neither too much as it's pulses rather a flow. So anyways, lol I decided not to get headers unless you go with a full length type that puts the collector further away and actually increase scavenging and velocity. Lastly, I would still get the Megans and the likes if the header was visible from the engine bay, at least it would look pretty haha!