2004 Honda Civic Si Headers

2004 Honda Civic Si Performance Headers

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02-05 Civic Si 4-2-1 Header - Ceramic
02-05 Civic Si 4-2-1 Header - Ceramic

Fits - 2004 Honda Civic Si

02-06 Acura RSX/02-05 Civic Si 4-2-1 Header - Ceramic
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$96.25
$137.50 (30.00% OFF)
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DC Sports Honda Civic Si 02-05 4-2-1 Ceramic Header, One Piece
DC Sports Honda Civic Si 02-05 4-2-1 Ceramic Header, One Piece

Fits - 2004 Honda Civic Si

4-2-1 CERAMIC HEADER, ONE PIECE-
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$308.48
$411.30 (25.00% OFF)
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Honda Civic 02-05 Si  Stainless Steel Header
Honda Civic 02-05 Si Stainless Steel Header

Fits - 2004 Honda Civic Si

1 performance stainless steel header
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$90.00
$150.00 (40.00% OFF)
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Blackworks Big Tube Tri-Y Exhaust Race Header B16 GSR
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$580.79
$642.46 (9.60% OFF)
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Blackworks Exhaust Header EG Ek DC2 Swap K20 K24 Civic
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$694.85
$768.64 (9.60% OFF)
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DC Sports Honda Civic Si 02-05 4-2-1 Ceramic Race Header, One Piece
DC Sports Honda Civic Si 02-05 4-2-1 Ceramic Race Header, One Piece

Fits - 2004 Honda Civic Si

4-2-1 CERAMIC RACE HEADER, ONE PIECE-K20A2
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$367.22
$489.62 (25.00% OFF)
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An exhaust manifold essentially serves as a routing system for emissions gases leaving the engine bay. The 2004 Honda Civic Si manifold directs the exhaust away from the vehicle’s working components and out the rear of the c ar, through the 2004 Honda Civic Si exhaust pipe. Though sufficient, this is certainly not optimal. 2004 Honda Civic SiBack pressure caused by conventional exhaust manifolds means the manifold itself requires energy to function effectively. With a 2004 Honda Civic Si exhaust header, much of this problem can be sidestepped.

2004 Honda Civic Si exhaust headers amount to what are smaller versions of exhaust pipes working in coordination with one another. Each 2004 Civic Si exhaust header directs gases away from its corresponding cylinder and enables exhaust regulation that doesn’t result in the same back force that expends so much energy with traditional manifold setups. For those drivers who want a more efficient vehicle with less troublesome exhaust, a 2004 Honda Civic Si aftermarket exhaust header will serve them well.


2004 Honda Civic Si Exhaust Header 2004 Honda Civic Si Turbo Header 2004 Honda Civic Si 4-1 Header
2004 Honda Civic Si Ceremic Header 2004 Honda Civic Si Race Header 2004 Honda Civic Si Chrome Header
2004 Honda Civic Si Exhaust Manifold 2004 Honda Civic Si Header For Sale 2004 Honda Civic Si Black Header
2004 Honda Civic Si DC Sports Header 2004 Honda Civic Si DC Header 2004 Honda Civic Si Skunk2 Header
Cheap 2004 Honda Civic Si Header Cheap 2004 Honda Civic Si Exhaust Header 2004 Honda Civic Si Straight Header


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Great quality product!
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great coilover suspension for the price i paid. car rides better than my old tokico set up.
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good coilover kit for my IS, significantly improved the handling on cornering and not too stiff for daily use. highly recommended.
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I didn't give them 5 star cuz the shipping time took a bit long. The quality is 5 star

42 reviews 4.5 out of 5 stars

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