Replace stock muffler

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Dec 2, 2007 | 10:55 PM

#16

Fifty150

Senior Member

Joined: Sep 2007

Posts: 3,688

Likes: 28

From: The Barbary Coast

If you put on a bunch of stickers, weld on the biggest spoiler you can find, and get 4 12 inch Rockford Fosgate woofers with a good amp: it will increase horsepower.

Trust me.

That works on every Honda Civic I see around here.

Dec 3, 2007 | 01:55 PM

#17

NKwish

Member

Joined: Mar 2004

Posts: 24

Likes: 0

Quote:

Originally Posted by ParkM

Warranty only covers from the cats forward,and modifications behind the cats can not void warranty. Unless you mess with the cats and/or add headers you will have no problems.

By warrantied I meant needed, sorry. If you do some searching you will find a lot of tech stuff that pipes 3" or bigger can actually have a negative effect on a stock motor. Causing loss of torque and HP...