Almost no gain
According to Corsa you will gain
+4 HP +1 Torque for axle back and +5 HP + 4 Torgue for Cat back. Hardly worth the money as far as a power gain.
That being said maybe the HP will give you 1 HP.
I had a drone and way too loud for me! Sold after three days on the car. OH by the way the person that bought them from me also took them off after a few days. I went to Ford Touring of which I'm happy with and he welded his stocks back on.
You've got it! #1 The computer is very optimistic and when I calculate it is .9 to 1.3 MPG lower. #2 Without manual calculating you'll never know if the Computer is even in the ball park. My SUV is close to 2 MPG higher than actual.
#3 Since way back when some people love to exaggerate their...
There will always differences of opinion. For me and everyone I had listen to them the 2 days the Roush were on my car they were loud, obnoxious and had a weird drone at cruising speed.
I didn't see where CAI made the car any louder under normal driving conditions. If you go full throttle you know its there but even than it is a none issue. It's not the lousy noise you get from the sound tube.
That is true. The Roush were on two days and they did have a drone. I went to Ford touring and been happy ever since. Just hope my resonator doesn't go to rattling so I can stay with my present setup. The best improvement was getting rid of the lousy noise from the sound tube and adding the...
Correct! And I don't want my Mustang sounding like my Vette. Mustangs do sound better than Chevy V-8's that is why I think the Corsa's are too raspy on a Ford. I like a deeper sound. The quality of the Corsa's is great but you more then pay for it.