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Manufacturer
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Header Style
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Header Material
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Flange Material
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Max Power Gain
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Max Torque Gain
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Retail Price
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RS*R
|
4-2-1 one piece
|
Polished 304 stainless steel
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Cast stainless steel
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3.7 hp @ 7800 rpm
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2.5 lb-ft @ 7800 rpm
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US$595.00
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|
Neuspeed N2
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4-2-1two piece
|
Ceramic coated mild steel
|
CNC machined, ceramic coated mild steel
|
4.3 hp @ 7800 rpm
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2.9 lb-ft @ 7800 rpm
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US$374.95
|
|
Comptech
|
4-2-1two piece
|
Stainless steel
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CNC-machined stainless steel
|
6.5 hp @ 7800 rpm
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4.4 lb-ft @ 7800 rpm
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US$495.00
|
|
DC Sports
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4-2-1two piece or one piece
|
Polished stainless steel
|
CNC-machined mild steel
|
6.8 hp @ 7700 rpm
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4.6 lb-ft @ 7700 rpm
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US$454.95
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|
Airmass
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4-2-1two piece
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Ceramic coated mild steel
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CNC-machined ceramic coated mild steel
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5.5 hp @ 7800 rpm
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3.7 lb-ft @ 7800 rpm
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US$373.00
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|
Mugen
|
4 into 1one piece
|
T-304 stainless steel
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T-304 stainless steel
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8.3 hp @ 7700 rpm
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5.7 lb-ft @ 7600 rpm
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US$950.00
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|
DPR
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Modified stock manifold
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Upper: Cast iron, Lower: Stainless steel
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Upper: Cast iron, Lower: Stainless steel
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2.2 hp @ 7800 rpm
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1.5 lb-ft @ 7800 rpm
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US$225.00
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|
GReddy
|
4-2-1 two piece
|
Stainless steel
|
Investment cast stainless steel
|
6.0 hp @ 7700 rpm
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4.1 lb-ft @ 7700 rpm
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US$439.00
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|
PaceSetter
|
4-2-1 two piece
|
16-gauge mild steel
|
Mild steel
|
6.2 hp @ 7800 rpm
|
4.9 lb-ft @ 4800 rpm
|
US$299.95
|
|
DC Race
|
4 into 1 two piece
|
Titanium
|
CNC machined tinanium
|
15.1 hp @ 7800 rpm
|
10.2 lb-ft @ 7800 rpm
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US$1,400
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