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Apr 27, 2005

03CivicEX4Door

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Exhaust

I have want to get a new exhaust, header high flow Catalyic Converter, piping the whole works. Will i get the best flow,performance, sound with factory size piping or say 2 1/2.

Apr 27, 2005

Vantage

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2.5 is to big.... you will lose all your torque

id go 2.25"... maybe 2.0" if u have minimal mods to the engine.

Apr 27, 2005

03CivicEX4Door

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i got intake, underdrive pullie's and strut bar. Would it be better for me to stay stock.

Apr 27, 2005

Vantage

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dont stay stock. for a 1.7L vtec, with an intake and pully's id use 2.25" to take advantage of Vtec more..

Apr 27, 2005

bamb00

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i vote no exhaust, been there done that and went back to stock lol

Apr 27, 2005

2k1civic01

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if you want you can buy mine....hp race header w/ high flow cat....

Apr 27, 2005

Blahman2

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Quote:

Originally Posted by Vantage

dont stay stock. for a 1.7L vtec, with an intake and pully's id use 2.25" to take advantage of Vtec more..

What, to save gas?

When will you realize our vtec is ****!

Apr 27, 2005

03CivicEX4Door

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i heard that hp headers don't fit 5 speed you have to modify alot of thing's

Aug 1, 2005

Storm897

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What is the stock size of the inlet to the catalytic converter? Is it 2"?

Thanks,
Oren

Last edited by Storm897; Aug 1, 2005 at 01:29 PM.

Aug 1, 2005

#10

03CivicEX4Door

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ya i'm pretty sure it's 2 inch then 1 5/8

Aug 3, 2005

#11

Vantage

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Quote:

What, to save gas? When will you realize our vtec is ****!

trust me i know sohc vtec is garbage, but a bigger exhaust will help his high end, when Vtec engages, he never said he was expecting huge power gains, but 2 1/4 will do more for power than stock.

Aug 3, 2005

#12

xDCx

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lol. get 2.25"
i have a custom Magnaflow catback i will ship to u.
All u need is the cat converter downpipe n headers.
sounds delicious too.
$299 + ship
PM me

Aug 3, 2005

#13

TheSmuggler

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2.25 or else your gonna loose to much backpressure for N/A

Aug 3, 2005

#14

tuner04civic

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yeah i did 2.25 custom piuping but its bent piping..got a light muffler...sound is very deep, but nice...power is also good with an intake..i can honestly say i felt a difference