Header Selection Help!

L0tusExigeS

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I was hoping to gather some feedback on header options. Main goal is a bit of power gain and to bump up the exhaust sound a bit more than just with the 3rd cat delete and Miltek controller. I see three options:
1) Catless headers and 3rd cat delete (fully catless system)
2) High-flow 200 cell headers, 3rd cat delete
3) Catless headers, 200 cell 3rd cat

I suspect a CEL is unavoidable with option 1, but would like to hear if anyone has tracked this option without major issues?

My main question is could option 2 or 3 avoid a CEL w/ O2 spacers and still be a noticeable bump in exhaust tone?

The final question would be, which design is best, from below?

Phoenyx Catless or 200 cell headers:
$1499 catless, $2499 200 cell
https://phoenyxdesign.com/products/lotus-emira-3-5l-phoenyx-design-race-headers?variant=50295786242337&country=US¤cy=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&gad_source=1&gad_campaignid=20908913258&gclid=Cj0KCQjwovPGBhDxARIsAFhgkwSKV2DhHp7jwcxyK_csmvGF3gatT1abqzKl_hMxX8r7gTxEibBETX0aAjDtEALw_wcB
1759557522747.webp


GRP Catless headers:
$1299
https://www.gregsraceparts.com/products/grp-stainless-shorty-race-headers-for-evora-emira
O2 sensor at collection
1759556371677.webp

Jubu catless headers:
$2800
O2 sensor position tbd
1759558544671.webp


Komotec catless headers:
$2100
O2 sensor position tbd
1759558940583.webp


$1100
Updated O2 sensor position at collection
1759559888160.webp


Third Cat: Jubu HJS HD sport Catalytic converter
991.86 Euro
1759558584151.webp
 

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