4-1 Headers VS 4-2-1 Headers
05-02-2004, 09:29 AM
#1
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4-1 Headers VS 4-2-1 Headers
Can someone explane to me clearly what is the difference between theses two types of headers ? And which one would be best for my 93 civic Si hatchback with Cold air intake and Catback exaust ??
05-02-2004, 12:48 PM
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The 4-2-1 header is mainly used for giving mid to low-end torque.
The 4-1 is designed for high-end torque
The 4-2-1 will take a while for you to even feel anything
The 4-1 is more of a feel it when you stomp type of thing
(even though a header will give you a max of +2 HP :chuckles:, but still better than a stock header )
The 4-1 is designed for high-end torque
The 4-2-1 will take a while for you to even feel anything
The 4-1 is more of a feel it when you stomp type of thing
(even though a header will give you a max of +2 HP :chuckles:, but still better than a stock header )
05-02-2004, 02:48 PM
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Originally Posted by FordTuner
when i put a header on mine it gained 20 HP. and it only has 110 stock.
05-02-2004, 04:03 PM
#9
it's my D in a B
really, it doesn't make much of a difference if i/h/e is all you plan to do.
If you do more meaningful mods like upgraded cam or headwork or higher compression pistons, the 4-1 will help extract the most from these types of upgrades. Likewise, a header will be helpful if you plan to use nitrous. IMO, buying a header for an internally stock d-series motor is just kinda silly.
If you do more meaningful mods like upgraded cam or headwork or higher compression pistons, the 4-1 will help extract the most from these types of upgrades. Likewise, a header will be helpful if you plan to use nitrous. IMO, buying a header for an internally stock d-series motor is just kinda silly.
05-02-2004, 10:24 PM
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Originally Posted by white_n_slow
really, it doesn't make much of a difference if i/h/e is all you plan to do.
If you do more meaningful mods like upgraded cam or headwork or higher compression pistons, the 4-1 will help extract the most from these types of upgrades. Likewise, a header will be helpful if you plan to use nitrous. IMO, buying a header for an internally stock d-series motor is just kinda silly.
If you do more meaningful mods like upgraded cam or headwork or higher compression pistons, the 4-1 will help extract the most from these types of upgrades. Likewise, a header will be helpful if you plan to use nitrous. IMO, buying a header for an internally stock d-series motor is just kinda silly.
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