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When I received the Magnaflow, I was again shocked to see the improvements to the design. I called Magnaflow to ask them if they had any numbers for gains from this unit, and they said they had not dynoed it. Anyone can look at the two units and see the positive design changes.
The price difference is enough for me, if I ever need to replace the manifold. I just don't buy the whole idea that they handicapped the N12 to sell more MCS.
The price difference is enough for me, if I ever need to replace the manifold. I just don't buy the whole idea that they handicapped the N12 to sell more MCS.
I do not see any reason why any sane engineer would have designed this manifold. If you saw it with your own eyes, you would understand. The car is so nimble now. Why would you move up if the performance was completely satisfactory? I feel in my heart they did this on purpose. I have seen cost saving designs that were obviously a compromise, but this looks deliberate.
I've been following this thread for almost a year and so far nobody has actually dyno'd the new manifold to determine the real power gains. I'm still skeptical; "seat of the pants" just doesn't do it for me.
Is there a cohesive guide for installing this? I've seen two different guides, one which installs putting the car into service mode and another that just does it with the front end still on.
When properly placed in the service position, the front end is still on the car ... it's just moved forward about 2 inches. I don't consider the bumper cover the front end of the car.
I do not see any reason why any sane engineer would have designed this manifold. If you saw it with your own eyes, you would understand. The car is so nimble now. Why would you move up if the performance was completely satisfactory? I feel in my heart they did this on purpose. I have seen cost saving designs that were obviously a compromise, but this looks deliberate.
Often times manufacturers will design a part for ease of manufacture more than performance. The Magnaflow part is hand made and more labor intensive than the stock part, which is more than likely made by a robot, with stamped parts as opposed to hand bent and cut parts.
So i have an '11 with the N16, will this work for it? Love to have just alil extra passing power. Was looking at the Magnaflow 49028 since I'm not in Cali. And has anyone tried the one from amazon thats a Magnaflow?
So i have an '11 with the N16, will this work for it? Love to have just alil extra passing power. Was looking at the Magnaflow 49028 since I'm not in Cali. And has anyone tried the one from amazon thats a Magnaflow?
I've been trying to get an answer from Magnaflow on just that, but they keep telling me that the part will fit the 2007-2013 Clubman but only the 2007-2010 'Base' model, which is a little confusing because those years for the Clubman cover two different engine designs (N12 and N16), and the manifold for the Base and the Clubman after 2011 is the same OEM because those are both N16s.
Well, do all of us a favor and run your car across the dyno before and after. We'd all like to see real numbers compared to all the anecdotal testimonials of increased power.
Hey everyone! Update to our '07 MINI Cooper (N12). When I installed the Magnaflow exhaust manifold, I wasn't very pleased because my gas mileage dropped from 36 to 32 in mixed driving. I was going to remove the Magnaflow and reinstall the original manifold.
BUT! What I recently discovered is that I induced the problem. With 125K miles on the car at the time, I figured, I'd change the pre-cat O2 sensor while I had the manifold removed from the engine. After reading a recent post on the Gen 1 side, I learned that the OEM O2 sensor supplier to MINI is NTK (NGK) not Bosch. I also learned that all O2 sensors are not alike. So, I ordered the NTK sensor for my application, installed it, and reset DME adaptations. I drove the car on a 160 mile test loop of mixed city/highway driving (about half city/half highway with several stops along the way for shopping and lunch). Highway speeds 70-75 MPH. The MINI's fuel economy indicator displayed 36.5 MPG which was a 4.5 MPG increase from when I had the Bosch sensor installed. Lambda value (1 = 14.7:1 air to fuel) on my Foxwell i70Pro scanner shows a consistent 1 value at varying throttle positions.
Actual mileage was 159.6, and it only took 3.59 gallons to fill up the tank. After thinking this isn't possible (44 MPG), I thought I didn't fill up the tank all the way, so I tried to add more; the pump instantly clicked off, and the fuel gauge in the mini indicated full. I have to try this test again and see if I get a similar result. Don't forget that my cylinder head was warped; .012" has been removed from the contact face, and I didn't go to the .120" head gasket, so compression is up compared to stock. Stay tuned for my second test results.
Update: Did another 300.7 miles and used 9.9 gallons this time; guess I shorted the tank the last time, and that gave me a bad MPG number. MPG on the past two fill ups averages 34.12, so I'm still doing better with the NTK O2 sensor than the Bosch O2 sensor.
Im trying to scrape up the funds to get one. CDN exchange is killer. Im installing a '13 N16 into my 2007 that had a blown N12. real oem shows two different manifold set ups between the two. they share the downstream O2 sensor, but the upstreams are different. maybe they have different opening sizes? the block and head casting are the same. oil filter housing a bit different. exhaust gasket the same. not sure if exhaust pipe flange is the same size. Im going to try as Im keeping as much N12 as possible.
I plan to do this for my R56 N12. (see link below) I bought a Magnaflow cat back exhaust for my Isuzu Rodeo Sport from the authorized dealer in the link - quality was top notch, welds perfect, the fit exact. I would just be sure to buy from an authorized Magnaflow dealer - too much knockoff crap floating around Ebay, Amazon, etc.
I have an N16 too, 2011. I recently finished my exhaust system. I have removed my secondary catlytic converter, Muffler, and modified the headers. I removed the catlyctic converter, i cut open the headers and removed all of the catlytic material inside, welded it back shut. The car is definetely faster, and peppier. It also pops and burbles like crazy! Planning on upgrading to an aftermarket intake soon.
Modified the OEM headers. Car is definetely faster. Here are pictures and captions of how i did it. My vehicle is a a 2011 has the N16. Also current mods i have done to my car are, Exhaust(No Catlytic converters, No Muffler, Stock Resonator.) I'm thinking of upgrading to a high-flow Resonator; Car is on BC Racing coilovers, Has ECS TUNING steel brake lines, StopTech Slotted Rotors, HawkPerformance Ceramic Brake Pads, Enkei RPF1'S Wrapped in some grippy BF Goodrich G-FORCE COMP-2'S. Car felt so much better last autocross session.
Removal of headers. The bolts are all 11MM, there are a couple hidden, and the heatshield is annoying to remove. Cut the headers open(the Catlytic Converter section), removed all the material. Welded it back Shut. Used some spare sheetmetal i had lying around, was the same thickness as the header material. Welded it and formed it to the OEM shape. Cut off the excess and sealed it off. NO leaks! Reinstallation of the Headers. I found out that you can take out the whole "core support", as one unit. You also don't need to take it all the way off. Just slide it foward a couple inches and you have enough room to remove and install the headers.
I also plan on upgrading the Intake system, and possibly running Water Methanol, along with getting a custom tune. Found a shop that's willing to do it. Just gotta Fix a couple things(Routine Maintenence), and scrape up some funds.
Bringing this back from the dead. I am looking for the old version of the Magnaflow cat. They have recently changed it - so am wondering if anyone has a new or used one they are interested in getting rid of. Anyone?
Ok, i dont know about the euro ones. My guess is the head and the exhaust connection should be the same. As long as they are both the N12/N16 type engine.
If the flange going the head is different on those models then no.
02-20-2019, 08:29 AM
122hp manifold looks interestingly similar.