04-20-2013, 05:07 PM | #2 |
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The sound will be awesome.
You will need JB4 to bypass the check engine light you will get from it. Easy to swap in and out.
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04-20-2013, 05:44 PM | #3 | |
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Will sound louder, and be faster. Altough i wonder what happens if the CEL is on with catless, will the car run more rich / lean? or just the light is on |
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04-20-2013, 08:25 PM | #4 |
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The JB4 stage 1 is on the website and you can upgrade to stage 2 once you get that by e-mailing the owner (Terry) directly.
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04-20-2013, 09:30 PM | #5 | |
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I think the CEL for the down pipe is merely about emissions and wouldn't hurt the car. The jb4 or anything else you may use just deletes the code and the light that pops up from that. |
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04-20-2013, 11:34 PM | #6 |
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I just did this mod.. worth every penny. No cell light or code with the JB stage 2 don't hesitate do it. car sounds crazy
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2013 F30 335i xdrive | Estoril Blue | Black Dakota Leather | Aluminum Hexagon trim | M-Sport | Cold weather | DHP | Premium package | Tech package | Harmon Kardon | PDC | Rearview Cam | IND Painted reflectors | BMW performance grills | JB4 stage 2 | ER downpipe | BMS Intake | H&R sport springs
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04-24-2013, 06:17 PM | #7 |
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Customers with our Challenge HFC Dowpipe said it added a decent amount of rumble to the the OEM exhaust. Most still want a full added in the end though.
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04-25-2013, 09:55 PM | #8 | |
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The exhaust sound will be deeper and more aggressive. A great sound The pipe is actually on sale now so you can PM me for more info. Mike |
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