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2004 Honda Civic Si Performance Headers
Honda Civic 02-05 Si Stainless Steel Header
Fits - 2004 Honda Civic Si
1 performance stainless steel header
Our Price
$90.00
$150.00
(40.00% OFF)
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-
Our Price
$308.48
$411.30
(25.00% OFF)
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
Our Price
$367.22
$489.62
(25.00% OFF)
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
Our Price
$96.25
$137.50
(30.00% OFF)
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 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.
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| 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 |



