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2Addicts | BMW 2-Series forum Technical Topics B58 (M240i) Engine, Transmission, Exhaust, Tuning Cleanest aftermarket downpipe?

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      05-04-2020, 05:24 PM   #23
H2O_Doc
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I'd love to see the emissions profiles of the different cats, but that might be getting a little too nerdy. I like the idea that I'm staying near (or maybe better) than emissions standards for some of the nasties.
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      05-04-2020, 05:33 PM   #24
dradernh
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I'd love to see the emissions profiles of the different cats, but that might be getting a little too nerdy. I like the idea that I'm staying near (or maybe better) than emissions standards for some of the nasties.
What about buying two or three of the units that you feel are likely to best fit your needs, having them tested, and then choosing the unit that you feel is best for you.

Wouldn't that give you what you're after?
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2017 M240i: 23.6K, MT, Sunroof Delete, 3,432#, EB, Leather, Driving Assistance Package, Heated Front Seats | Sold: E12 530i, E24 M635CSi, E39 520i, E30 325is, E36 M3 (2)
TC Kline Coilovers; H&R Front Bar; Wavetrac; Al Subframe Bushings; 18X9/9½ ARC-8s; 255/35-18 PS4S (4); Dinan Elite V2 & CAI; MPerf Orange BBK; Schroth Quick Fit Pro;
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      05-04-2020, 05:37 PM   #25
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Originally Posted by dradernh View Post
Quote:
Originally Posted by H2O_Doc View Post
I'd love to see the emissions profiles of the different cats, but that might be getting a little too nerdy. I like the idea that I'm staying near (or maybe better) than emissions standards for some of the nasties.
What about buying two or three of the units that you feel are likely to best fit your needs, having them tested, and then choosing the unit that you feel is best for you.

Wouldn't that give you what you're after?
There are always more data to be had. It never ends.
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      05-04-2020, 05:46 PM   #26
dradernh
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There are always more data to be had. It never ends.
Oh, I'm sorry – did you feel that you had to convince me!?!

IOW, yes, I do get it.
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2017 M240i: 23.6K, MT, Sunroof Delete, 3,432#, EB, Leather, Driving Assistance Package, Heated Front Seats | Sold: E12 530i, E24 M635CSi, E39 520i, E30 325is, E36 M3 (2)
TC Kline Coilovers; H&R Front Bar; Wavetrac; Al Subframe Bushings; 18X9/9½ ARC-8s; 255/35-18 PS4S (4); Dinan Elite V2 & CAI; MPerf Orange BBK; Schroth Quick Fit Pro;
GTechniq Crystal Serum Ultra Ceramic; Suntek PPF
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      05-04-2020, 06:10 PM   #27
H2O_Doc
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Originally Posted by dradernh View Post
Quote:
Originally Posted by H2O_Doc View Post
There are always more data to be had. It never ends.
Oh, I'm sorry – did you feel that you had to convince me!?!

IOW, yes, I do get it.
Hahaha. Ok. Gotcha now.
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      05-11-2020, 08:04 PM   #28
MerlinMc
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Originally Posted by 4Hockey4 View Post
Fabspeed and Active autowerkes neither throws CEL (some others don't but they guarantee)

Fabspeed slightly better quality and different cell. If $$ is concern, AA has great reviews from a few folks putting on here.

I went AA since I need no CEL for Virginia emissions, and had coated in Cerakote. the T304 stainless is fine, but filler metal for welding (cant be) is not, so I added. Mine going in next week, heard a good fit too.
Are you self installing?
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      05-11-2020, 08:08 PM   #29
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Are you self installing?
No had National Speed in Richmond do it (they are out of N.C.) Great job btw, sent pics and videos in progress. They are also installing the short shifter.

Could have done Charge pipe at friends, but they only charged 1.25 labor, plus warranty etc.

I do fluids and maint. and just rather spend weekends driving and golfing
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