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Big Juice & Big Boost
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832 Posts
Discussion Starter · #1 ·
I am planning to get a 3inch testpipe for my car.

I want to know if it make any different on horsepower with the gutted stock cat and a 3inch testpipe.

Thank you
 

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Big Juice & Big Boost
Joined
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832 Posts
Discussion Starter · #3 ·
97SE-R C2 said:
A gutted Stock cat would be worse then a Stock non gutted cat. Its F's up the airflow. Just get a Tesp pipe made.
Damn i never know a gutted cat is worse than a stock non gutted cat.
 
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