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2005 Mazda 2 torque problem

Tiny
GIO_CAST
  • MEMBER
  • 2005 MAZDA 2
  • 45,000 MILES
Hello car experts.I have a 1.3 L car where I change the stock rim/tire to a 195/55/r15. Now I feel there is a lag in my acceleration where my torque and fuel consumption is much affected.I have installed a k&n air filter.I noticed I have gained hp but torque and better fuel consumption did not change at all. Will replacing the cat back exhaust help?If not, what should I do?
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Tuesday, October 15th, 2013 AT 4:21 AM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Probably putting the larger tires has not helped your car, not enough power to turn them correctly
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Tuesday, October 15th, 2013 AT 6:01 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
What was the original size?
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Tuesday, October 15th, 2013 AT 6:26 AM
Tiny
GIO_CAST
  • MEMBER
  • 2 POSTS
I know because of the larger tyre I had torque problem. Original rim is 14 inches. Mileage is 45,000 km. My question is if I replace the cat back exhaust, will I see any gains in torque.
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Sunday, October 20th, 2013 AT 5:16 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Not really just more noise.
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Sunday, October 20th, 2013 AT 6:41 AM

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