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| 04-19-2015, 04:37 PM | #1 |
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Best header option for passing emissions
Looking to swap my headers out, but since I swapped my exhaust out already I do not believe I will pass emissions if I swap headers as well.
Any good options on getting headers that will pass emission testing? N53 euro headers? Magnaflow? SS?
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2008 Sedona Red 128i
Black Chrome powder coated VMR 710's 18's, Carbon fiber engine bay cover and intake, Carbon fiber interior trim, Demon eyebrows, euro intake, performance brace, black grills, Magnaflow exhaust, Stage 3IM, AA Tune |
| 04-19-2015, 09:35 PM | #2 |
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AFE headers- high flow cat will pass...
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff  "The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is |
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| 04-24-2015, 10:25 PM | #3 |
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check out the NA section in the e90post forums there's a member who recently reviewed the afe high flow catted headers
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Charcoal Delete // K&N Drop In // Cyba Air Scoops // OEM SSK // AA Stage 2 Tune // BC Coils // Apex Arc-8 18X9.5 255/35/18 //
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| 04-25-2015, 01:15 AM | #4 | |
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Quote:
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2008 Sedona Red 128i
Black Chrome powder coated VMR 710's 18's, Carbon fiber engine bay cover and intake, Carbon fiber interior trim, Demon eyebrows, euro intake, performance brace, black grills, Magnaflow exhaust, Stage 3IM, AA Tune |
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| 04-25-2015, 12:34 PM | #5 |
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technically, if you leave on the secondaries cat's you will pass also, with a tune from AA or Evolve. AA has a few error states though, so check your local law about how the test is done
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff "The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is |
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