What the best performance catted header for S550 mustang?

[CHINITOMEX99]

Im looking for the best catted header for a 2017 mustang gt for the most gain, does anyone have any videos or forums that show comparison or have experience with own some headers that they prefer.

Thank you for your time

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[I Bleed Ford Blue]

I have stainless power long tubes with cats on my 17. Stainless power is the value brand from stainless works, same material (304 stainless) same thickness (16 gauge I believe) but only a 2 year warranty vs lifetime and about 500 bucks cheaper. Most all long tubes have 1 7/8" primary tubes, so they all will be within a few hp from each other. Just get a set with high flow cats and they will gain you the most. I chose that brand because I'm in northern Ohio just outside Cleveland and stainless works is a local company to me.

 

[AZ18yote]

My vote for ARH catted LTH but can't go wrong with Kooks or SW.

 

[DavidHuff]

What company has the best catted units with their long tune headers?

 

[GregO]

What company has the best catted units with their long tune headers?

Actually no one offers the best cat due to price point.
HJS is the best in every aspect of performance High Flow converters.
Even the GESI (Global Emission System Inc.) aka. “Green Cat” converters leave a lot to be desired but are a big step up from the standard offerings by most header Mfg’s.

By far the best domestic 200 / 300 cpsi converter is Performance Industries. The price point is affordable for most.

https://www.metalsubstrate.com/markets/gasoline/

Best results are obtained when fitting Performance Ind. 200 or 300 cpsi to the headers or downpipe of your choice.

Stay away from Magnaflow or any off-shore converter.

Jump on HJS and Performance Inc. websites to learn the difference.

 

[DavidHuff]

Great Information!
Thanks

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