Free-flow cat and headers on non-turboed Max?
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Joined: Jul 2002
Posts: 65
Free-flow cat and headers on non-turboed Max?
Good idea or bad idea? Will I lose low end torque because of loss of backpressure? If I won't then what brands do you suggest for both? I couldn't find this topic in the FAQ so please help out.
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Posts: 1,362
Re: Free-flow cat and headers on non-turboed Max?
Backpressure does not create torque
From the FAQ
At the moment there are no aftermarket headers that offer noticable improvement over the stock headers. If you want to upgade your exhaust a Y-pipe is your best bang for the buck option. Around $200 and 10-15 HP gain, I would recomend Warpspeed.
A free flow cat will only gain a couple of HP, that money would be better spent on an intake - about $125 from frankencar or $200 for the Place racing CAI.
That's it, I'm off to the FAQ!
From the FAQ
Originally posted by mzmtg
Exhaust system backpressure is ALWAYS BAD! Engines do not need backpressure to make good torque. What an engine needs is a system that maintains high exhaust stream velocity at low RPM.
Read this article for a good explanation.
Exhaust system backpressure is ALWAYS BAD! Engines do not need backpressure to make good torque. What an engine needs is a system that maintains high exhaust stream velocity at low RPM.
Read this article for a good explanation.
A free flow cat will only gain a couple of HP, that money would be better spent on an intake - about $125 from frankencar or $200 for the Place racing CAI.
That's it, I'm off to the FAQ!
Thread Starter
Member
Joined: Jul 2002
Posts: 65
Re: Re: Free-flow cat and headers on non-turboed Max?
Originally posted by Anachronism
Backpressure does not create torque
From the FAQ
At the moment there are no aftermarket headers that offer noticable improvement over the stock headers. If you want to upgade your exhaust a Y-pipe is your best bang for the buck option. Around $200 and 10-15 HP gain, I would recomend Warpspeed.
A free flow cat will only gain a couple of HP, that money would be better spent on an intake - about $125 from frankencar or $200 for the Place racing CAI.
That's it, I'm off to the FAQ!
Backpressure does not create torque
From the FAQ
At the moment there are no aftermarket headers that offer noticable improvement over the stock headers. If you want to upgade your exhaust a Y-pipe is your best bang for the buck option. Around $200 and 10-15 HP gain, I would recomend Warpspeed.
A free flow cat will only gain a couple of HP, that money would be better spent on an intake - about $125 from frankencar or $200 for the Place racing CAI.
That's it, I'm off to the FAQ!
low-end. Thanks again. Much appreciated.
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