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Originally Posted by Timmeh
I had my Focus done, only a 2 inch system as the 2 1/4 system proved to lose power down low on the dyno, but every engine is different I guess. The rear muffler is really where the system lost its power from factory, once that is gone, it's happy days.
Tim!
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It honestly feels better down low than before. I went for the 2 1/4" for the sound and more POPPING, not expecting much of a low end torque, but now i notice, with the aircon on, i can actually take off with next to no revs without the car bogging and taking off like a slug, especially on a bit of a hill where as before the car really used to struggle. Even on hills, with next to no revs in 3rd it pulls away alot better than before, and the revs build alot quicker.
But still when really going hard, the car still looses alot of pulling power after 5-5.5k revs, like before i got my exhaust.
But as the bloke at Exhaust Torque said, you can never really tell until you dyno.
Tom