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I love the sound... But how is it for daily driving? Do you feel increased vibrations on the interior or anything?
I don't have any interior vibes with mine, but it is kinda loud. I recently unplugged the ASS and it actually helped some in city driving. The only time it really becomes intrusive is in hard acceleration in 6th gear, say like going from 60mph to 80mph with anything more than 40% throttle. Other than that it's not bad at all. Silent while cruising on the highway. I like it. I wouldn't, however, recommend a downpipe with it tho. I can see it being extremely loud with one, considering it only has one resonator and no muffler.
 

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Stock size is mostly 2.5 inches I believe with a smallish section of 2.1 or 2.2 " OD. Any turbo application vehicle, even a 2.0 with our punt k03 will benefit from a larger exhaust/better flow....to a point or course.

But what ever..more options for people is good.
So your saying 2.5" pipe with sections that reduce down to 2" with 2 large mufflers/resonators will flow better than 2.25" straight thru pipe?
 

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I don't care either way. I'm not a flowmaster fan boy or anything, I just liked the sound and it was a good price. I don't plan on going crazy with the car, I just wanted some more noise. The car will never see the track so I'm not worried about big HP numbers. At the end of the day I'm happy with it and that's good enough for me.

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Stock size is mostly 2.5 inches I believe with a smallish section of 2.1 or 2.2 " OD. Any turbo application vehicle, even a 2.0 with our punt k03 will benefit from a larger exhaust/better flow....to a point or course.

But what ever..more options for people is good.
I know you prob don't care, but I was just cutting up my stock exhaust so I can fit in in the garbage, and the only section of the exhaust that is 2.5" is the downpipe and into the resonator, the resonator outlet is where the 2" pipe starts. So you're looking at maybe a 2foot section of pipe that is 2.5" where as the rest of the system is a hair over 2".
 

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Exhaust sounds are so subjective, and if you don't hear them in person it's hard to tell. I personally think the MBRP sounds the worst out of all of them, just seem like it has no tone to it at all. Pretty much the same reason why I don't like magnaflows on 4 cylinder cars, just all bass. The vids that roush put out of theirs I thought sounded great, then I heard the production version and it didn't sound anything like the video, made me really glad I didn't go with that one. I really want to see what the Injen sounds like...I've heard them before on other cars and they've always sounded great. I do tend to change up my exhausts pretty often so I may end up with something else down the line. I still like the tone that the flowmaster gives and I'm pretty happy with it. I finally found a decent exhaust shop around me and I think I'm going to get them to make me a triple tip like the agency power catback just as long as it's not too costly.
 

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You have to push up on the pipes as you tighten the clamps. I have prob a good 1.5 to 2 inches of clearance on mine. Here are 2 pics I just took looking from the muffler to the back of the car.




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I would just loosen them all up and start from the front and work your way to the back. You should be able to leave it bolted to the dp.

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It doesn't have anything stamped on it. Its small and not chambered so might be one they only use for catbacks.

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