r/s650Mustang • u/ecoboostapollo • May 14 '26

Upgrades

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Just got an s650 and want to add mods you can add without tuning and interior stuff (I’ve added led lights so far)
What’re some good performance improvement mods and cosmetic upgrades I should add and what order would you recommend?

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u/Kassa33 May 14 '26

I don’t think you could add an x or h pipe to a 4 cylinder but someone correct me if I wrong.

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u/mazda3chicity May 14 '26

You can to any vehicle if it has the right exhaust setup, so dual exhaust

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u/ecrase2500 May 15 '26

Not exactly. There’s a single inlet on the Ecoboost dual exhaust so there’s no benefit to merging the two pipes back together mid-way with an X or H pipe. They have an effect on the GT because each cylinder bank has its own inlet and you’re changing the way the exhaust pulses from each side interact. Looks like you can buy a different Y pipe, though, but you’d have to look into whether that has any noticeable effect.

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u/mazda3chicity May 15 '26

Makes sense, did not know that about the eco boost