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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    Flow Bench Tested the F90 secondary Cat.

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      08-13-2019, 02:06 PM   #23
Quinn A
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Originally Posted by KellerPerformance View Post
Most muffler shops charge $300.00 to delete a resonator on a Honda Accord and then replace it with a piece of pipe with welds looking like potatoes.
$300 for an accord resonator delete? Man come on, my local muffler shop did secondary cat deletes and muffler delete on my 15 cayenne turbo for $250. My CL55 resonator delete was $80, my F80 M3 i was going to get ebay DPs but found a local selling used EC DPs for less. They are just metal tubes. Dont even get me started on people paying $700 and up for midpipes on the F80.

Its great that there are people that will pay so much for metal tubes, and its why when i got my macan turbo i made my own downpipes, sent them out to get copied and sold them (partenred with a local Porsche shop) for $800 a pop while the production cost was $30 per set.
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      08-16-2019, 08:53 PM   #24
A Need For Speed
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Quote:
Originally Posted by Quinn A View Post
$300 for an accord resonator delete? Man come on, my local muffler shop did secondary cat deletes and muffler delete on my 15 cayenne turbo for $250. My CL55 resonator delete was $80, my F80 M3 i was going to get ebay DPs but found a local selling used EC DPs for less. They are just metal tubes. Dont even get me started on people paying $700 and up for midpipes on the F80.

Its great that there are people that will pay so much for metal tubes, and its why when i got my macan turbo i made my own downpipes, sent them out to get copied and sold them (partenred with a local Porsche shop) for $800 a pop while the production cost was $30 per set.

Make em for my F90 and I’ll pay you 100% markup.....hey $60 is $60.
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      08-17-2019, 09:34 AM   #25
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Quote:
Originally Posted by A Need For Speed View Post
Quote:
Originally Posted by Quinn A View Post
$300 for an accord resonator delete? Man come on, my local muffler shop did secondary cat deletes and muffler delete on my 15 cayenne turbo for $250. My CL55 resonator delete was $80, my F80 M3 i was going to get ebay DPs but found a local selling used EC DPs for less. They are just metal tubes. Dont even get me started on people paying $700 and up for midpipes on the F80.

Its great that there are people that will pay so much for metal tubes, and its why when i got my macan turbo i made my own downpipes, sent them out to get copied and sold them (partenred with a local Porsche shop) for $800 a pop while the production cost was $30 per set.

Make em for my F90 and I’ll pay you 100% markup.....hey $60 is $60.
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      10-27-2023, 04:51 AM   #26
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Originally Posted by Miko M View Post
I could hear turbo spool as soon as I replace the lower down pipes ( upper still EOM ) and I noticed it's little more responsive too, at start throttle.
Thanks for taking the time and posting this!!
Was this without a tune?
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      10-27-2023, 06:25 PM   #27
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No massive gains on a stock tune but maybe a faint whistle at very low rpm. With stock tune maybe 10-15 rwhp, which isn’t really enough to feel on top of 550rwhp.
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