Catalytic converter
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Junior Member
Joined: Jul 2005
Posts: 15
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From: Alberta, Canada
Car: '82 & '84 Trans-Am
Engine: LG4 305 & L69 305 H.O.
Transmission: TH200C & 700 R4
Axle/Gears: 3:23 & 3:73 10 bolt
Catalytic converter
If I remove my catalytic converter, how much extra horsepower will I gain? I have a 305 H.O.
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Joined: Oct 2003
Posts: 428
Likes: 5
From: Buffalo, NY
Car: 1987 Camaro IROC-Z28
Engine: TPI 350ci L98
Transmission: T56 - Hurst Shifter
Axle/Gears: BW - 3.70
You probably should have posted this in the exhaust board and you would have gotten a better response.
I'd say on a 350 you would probably get around 5 - 10 hp. On a 305 maybe 5hp. It's not enough that you would notice a difference. It might make the car a little louder though.
I'd say on a 350 you would probably get around 5 - 10 hp. On a 305 maybe 5hp. It's not enough that you would notice a difference. It might make the car a little louder though.
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