i am going to either get this http://www.mufflermall.com/index.php...roducts_id=742or http://cgi.ebay.com/ebaymotors/OBX-U...spagenameZWDVWim trying to find out if i get the obx will the muffler shop be able to weld it on because the inlet is 3 inches and which one is probably better out of the 2

I would think that the muffler with the 3" inlet was designed for cars having larger engines than what we have. Therefore, I doubt that the larger opening will translate into more horsepower or better sound.

That twin loop pipe does look strange on a muffler.

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1997 CX 5-speed
Eibach springs and shocks
Magnaflow cat-back
AEM V2 intake
16-inch Black Racing Pro wheels
Pillar Pod/tach/clock, Magnaflow and V2 install:
http://www.conceptualpolymer.com/honda_corner.htm

twin loop mufflers are great i love them. just i wouldn't reccomend the obx, i've heard some pretty crappy things about them on this forum. just for your information, in case of anything.. piping should always on an n/a civic be 2.25 inch.

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How much HP can you gain from that?

a whole lotta nothing

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2.25 inches?...why not 2.5?...and i think the 2.25 inch is what causes that "ricey" sound, when i put on the video of performace from my car before the k20 swap u will see how it sounds very much like a mustang

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2002 Honda Civic EX Coupe

AEM V2
DC Headers

I think my Magnaflows have 2.25 piping and they don't sound ricey at all.

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1997 CX 5-speed
Eibach springs and shocks
Magnaflow cat-back
AEM V2 intake
16-inch Black Racing Pro wheels
Pillar Pod/tach/clock, Magnaflow and V2 install:
http://www.conceptualpolymer.com/honda_corner.htm

i will put up a old video of my exhaust that i found on my pc and u tell me if it sounds good and the piping size

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2002 Honda Civic EX Coupe

AEM V2
DC Headers