2007-2013 Mazdaspeed 3 Downpipe

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Really makes the car feel alive!

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Freaking love this downpipe, by far the best exhaust mod you can do. I have the cts4 and it makes it spool up to 23 psi at 3200 rpm. Amazing product that works very well also sounds amazing, you can really hear the MZR scream.

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Very easy install had it in and less than an hour sounds amazing. Decided to give this design a try to back up my cst4.

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Just installed this a couple days ago and I absolutely love it! Taking out the old downpipe is a royal pain in the ass, though. Took about 6 hours to get that out and an hour to get the new one in. I'd recommend taking the downpipe studs out of the turbo cuz it makes disassembly and reassembly much easier without them there. Also, you don't have to take off the OEM downpipe heatshield to get it off but lemme tell you it's gonna fight hard the whole way out. I couldn't get mine off because the bolts were so rusted the wrenches destroyed the heads of them.

Once I got this bad boy on I could immediately notice the gains in hp and tq without any tune on the car. Would highly recommend the 80mm even with OEM catback, the seal is near perfect with no exhaust leaks.
Great job corksport!

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MY FRIEND CODY JUST INSTALLED THE DOWNPIPE CATTED AND MY SPEED HAS EVERY THING IN ENGINE BAY OF CORKSPORT EXCEPT INTAKE 3.5 AND TURBO ALL I CAN SAY IS ALL SPEED 3 OWNERS HOLLY CRAP ALL SPEED 3 OWNERS NEED THIS JUST MAKE SURE GET INTERNALS BEFORE OR WITH. I WANT TO GIVE BIG BIG THANKS CORKSPORT AWESOME PRODUCT'S AND QUALITY AND DERECK THANK YOU KEEP GOOD WORK UP. BRAD A FRIEND OF CODYS

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Excellent downpipe! After removing the stock DP it was simple to install and fit great. Love the fact that it's the only divorced downpipe on the market for the MS3. Got the catless downpipe to compliment my Corksport racepipe and catback and my 2013 Mazdaspeed3 loves it! Great price for a great product! Thanks Corksport!

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Love this downpipe. From the minute you open the box you can tell its a quality piece. Install did take a while but it wasn't as difficult as I was lead to believe. Me and a buddy did the install in my garage with the front of the car on stands. Definitely keep a can of PB Blaster handy though. If you're installing on a Gen2 do yourself a favor and remove the O2 bung extension from the 2nd O2 bung. It pushes the sensor too far out of the exhaust stream causing a code. I've had no issues after removing the the extension. Thanks again CS!

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Amazing Product! If any of you are thinking about what fitment to get with the catted DP and plan to go CPE just get the 80mm and save yourself the trouble. 80mm will still bolt to the stock CBE with an adapter. If you in fact do go 65mm make sure that when you buy your CBE that they send you the adapter to make sure you CBE has the correct fitment. As I was just gonna do DP and run the stock CPE for the stealth look so I went with the 65mm but with these winter storms and the dumb ass snow plows dropping of metal shrouds in the road I poke a pretty big hole in my stock mid pipe. So I was forced to go CBE. I know I could have just got a new mid pipe but really who does that?? So when I got my CPE it did not include the adapter so fitment was an issue as it rubbed at the first bend as it sat damn near right on the exhaust sheild. Vincent and Spencer took great care of me in a very fast time spand and quickly we fixed the issue with the correct adapter and doughnut. The gains you will receive from the DP are great add the CPE and a tune.. Forget about it.. Love CorkSport

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Recently had my car dynoed and talked to the guys about installing the catless DP, they mentioned the non-foulers to prevent the CEL, as I was reading you guys said to install a new high flow fuel pump, my car was running really rich when it was ran on the dyno, I know a tune will help fix the problem but being what it is would a new fuel pump be necessary after the instal of the DP?

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For all of you worrying about a cel with the catless downpipe, go to your local hardware or autoparts store, but a set of 2 spark plug non-foulers, use a half inch drill bit to drill out one while leaving the other the way it is. Screw the drilled out non-fouler into the one you left be, then screw your o2 into it ajd install in your downpipe. This will keep you from throwing a code. Reason being, the second o2 is narrowband, and cannot have exhaust gas flowing freely over it. The non fouler has a small hole that only lets a small, steady flow of exhaust flow to it, just like as if it was in the cat. Its a 2 dollar fix and I guarantee it to work every time. 60k miles in my evo 9, 80k miles in my eclipse gsx, and 4k miles.in my ms3, all with this simple mod, and none have ever thrown a cel code.

Happy modding!

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