1989 Toyota Corolla exhaust

Tiny
KEVINKOERTJE
  • MEMBER
  • 1989 TOYOTA COROLLA
1989 Toyota Corolla 4 cyl Front Wheel Drive Manual

when upgrading an exhaust does the pipe size make a difference in horserower or torque?
Monday, October 6th, 2008 AT 9:03 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Use the factory pipe, a pipe that is too large can affect closed loop operation, it will let the O2 sensor cool quicker.
Headers and other aftermarket parts may gain 1-2 HP, but the cost per HP would be very high.
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Tuesday, October 7th, 2008 AT 6:08 AM

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