R55 Time to upgrade
6th Gear
Joined: Apr 2012
Posts: 1,436
Likes: 35
From: Sacramento, CA
Gotcha. That's understandable. For me I was just going to pay my local exhaust shop $50 to swap the down pipe before inspection. Have you looked into high flow cats? Or does it not pass smog with that? The stock down pipe has the most restriction in he entire car. You get the most gains by going catless even without a tune and you have the ability to make a lot more power without the large restriction of that cat. That cat is huge! I would look into high flow cats if I were you. I would try to convince you for catless but I completely understand because of smog. But in the end the cat on the downpipe reduces aggressiveness of the overall car and you are not able to load an aggressive tune without a free flowing exhaust. Not sure how much power you want. But I just want you to be happy!
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3rd Gear
Joined: Sep 2014
Posts: 152
Likes: 2
From: Bridgewater, MA
So here's what I'm reading on the forum. Even with a high flow catted DP I will still throw a CEL if the tune eliminates it that's one thing but the inspection sticker is a concern. If I replace the DP do I need a catback too if I want to run the stage 2 tune?
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3rd Gear
Joined: Sep 2014
Posts: 152
Likes: 2
From: Bridgewater, MA
Gotcha. That's understandable. For me I was just going to pay my local exhaust shop $50 to swap the down pipe before inspection. Have you looked into high flow cats? Or does it not pass smog with that? The stock down pipe has the most restriction in he entire car. You get the most gains by going catless even without a tune and you have the ability to make a lot more power without the large restriction of that cat. That cat is huge! I would look into high flow cats if I were you. I would try to convince you for catless but I completely understand because of smog. But in the end the cat on the downpipe reduces aggressiveness of the overall car and you are not able to load an aggressive tune without a free flowing exhaust. Not sure how much power you want. But I just want you to be happy!
6th Gear
Joined: Apr 2012
Posts: 1,436
Likes: 35
From: Sacramento, CA
Stage 2 requires a downpipe and inter cooler. Without a downpipe you will get a very mild tune. Still faster than you are now but cannot add much boost with the restriction of the downpipe.
6th Gear
Joined: Apr 2012
Posts: 1,436
Likes: 35
From: Sacramento, CA
Are u tuned at all or have JB+?
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3rd Gear
Joined: Sep 2014
Posts: 152
Likes: 2
From: Bridgewater, MA
I'm running stock other than the helix FMIC and JCW tuning kit intake. If the manic tune removes the CEL for the DP I'll just go catless and swap my OEM DP when I need a sticker. Thoughts on this?
http://www.waymotorworks.com/wmw-cat...8-r59-r60.html
http://www.waymotorworks.com/wmw-cat...8-r59-r60.html
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3rd Gear
Joined: Sep 2014
Posts: 152
Likes: 2
From: Bridgewater, MA
is it safe to run it while I'm waiting for my tune? I'm not going to be able to get to NJ until next month but I can buy the DP now. Are you running stock exhaust after the DP?
6th Gear
Joined: Apr 2012
Posts: 1,436
Likes: 35
From: Sacramento, CA
I'm running stock other than the helix FMIC and JCW tuning kit intake. If the manic tune removes the CEL for the DP I'll just go catless and swap my OEM DP when I need a sticker. Thoughts on this?
http://www.waymotorworks.com/wmw-cat...8-r59-r60.html
http://www.waymotorworks.com/wmw-cat...8-r59-r60.html
for a downpipe check out the Akrapovic DP, they are a piece of art. They always fit perfect and have a high flow 100 cell cat. It's what I have for my GP, and highly recommend them.
I'm running stock other than the helix FMIC and JCW tuning kit intake. If the manic tune removes the CEL for the DP I'll just go catless and swap my OEM DP when I need a sticker. Thoughts on this?
http://www.waymotorworks.com/wmw-cat...8-r59-r60.html
http://www.waymotorworks.com/wmw-cat...8-r59-r60.html
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3rd Gear
Joined: Sep 2014
Posts: 152
Likes: 2
From: Bridgewater, MA
If I put a DP on I'm just going to do catless because the the tune will mask the CEL and the catless DPs are almost half the money.
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3rd Gear
Joined: Sep 2014
Posts: 152
Likes: 2
From: Bridgewater, MA
In Massachusetts we are allowed to have one system in not ready status and still get a sticker. But from what I'm gathering the manic tune uses stock emissions so I can put my OEM DP back on and get the sticker then go back to my fun pipe.
I upgraded my exhaust before I got my catless DP. All my mods are in my sig (unless you're using NAM mobile) I have DP-Back NM Engineering exhaust installed.
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3rd Gear
Joined: Sep 2014
Posts: 152
Likes: 2
From: Bridgewater, MA
Most people are fine running it. Some early N14 engines (like mine) would intermittanly go into reduced power mode due to the cat code, but I've only every seen this on '07 models. You should be fine. I upgraded my exhaust before I got my catless DP. All my mods are in my sig (unless you're using NAM mobile) I have DP-Back NM Engineering exhaust installed.
Oh yeah, its beastly. Pretty tame under 3k. Once over and at WOT then its very loud. I enjoy it quite a bit 
The wife however does not care for it on the highway as there is a bit of drone.
The wife however does not care for it on the highway as there is a bit of drone.
6th Gear
Joined: Apr 2012
Posts: 1,436
Likes: 35
From: Sacramento, CA
Can run a downpipe just fine. Will notice immediate gains without the tune. With the tune you have the ability to make so much more power. You can put the downpipe on now as long as you don't mind the CEL. I had a downpipe with no tune for maybe a full year. Just cleared the code with my scan gauge every week or so.
For the R55 Cooper S and JCW (N14 engine ) its a quick swap.
We have ran it on a factory JCW N14 engine and it a direct bolt on with the tube filter. Fits the N14 Cooper S engine also, as its part of the JCW tuning kit.
I would recommend the little gasket also , as the 2007+ R56 Cooper S and The Factory JCW N14 airbox uses the factory panel filter as a seal. otherwise it might rattle a bit. John Cooper Works Tuning Kit Intake does not come with that gasket seal.
John Cooper Works Tuning Kit Intake part # 13720429380
http://www.ecstuning.com/Search/SiteSearch/13720429380/
&
John Cooper Works Tuning Kit - Air Box With Tube Filter - Gasket Part # 13530433064
http://www.ecstuning.com/Search/SiteSearch/13530433064/
If you want to change to a light oil foam filter , Pipercross has direct fit tube filter.
Performance Foam Air Filter - JCW PX1875
http://www.ecstuning.com/Search/SiteSearch/PX1875/
And here is the cleaner kit for pipercross.
ES#2626400
Pipercross Filter Cleaning Kit
http://www.ecstuning.com/Search/SiteSearch/ES2626400/
Thanks
Just ordered the whole kit thanks for the info I really appreciate it. I'll post my opinions when I get but its JCW so I'm sure it will be great.
Awesome , thanks and glad I could help.
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MINI Guru/ MINI Owner Since 2004 | NEW Lifetime Part Replacement | Local Pickup
Milltek | Genuine MINI | Forge Motorsport | NM Engineering | ECS Performance | M7 Speed
Customer Service Hours: 8am-8pm EST|Sales Team Hours: 8am-11pm | SAT 10am-7pm 800.924.5172
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3rd Gear
Joined: Sep 2014
Posts: 152
Likes: 2
From: Bridgewater, MA
Downpipe came today. Here's some pics. Looks awesome. Thank you to way motor works for the quick shipping and quality product. I'll post a sound clip tonight with it hooked up to the factory exhaust.
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3rd Gear
Joined: Sep 2014
Posts: 152
Likes: 2
From: Bridgewater, MA
OMG! This thing sounds so great over 3k rpm!! I'm going to get myself in trouble because that sound is intoxicating. I'll get a sound clip soon. I think the resonator is coming out and the mufflers will be replaced for more sound down low.