| BMW E46 Exhaust Upgrades & Miscellaneous - Page 3 |
Fabspeed Exhaust Systems |
| Fabspeed E46 M3 Sport Headers |
High quality 14-16 gauge, T304 stainless steel, C.N.C. mandrel bent primary tubes with a Formula 1/NASCAR style high velocity merge collector for maximum power and optimum exhaust scavenging.
• Fabspeed Sport Headers save 3.5lbs/16kg over stock manifolds. • Direct replacement for factory headers. • Complies with emissions and inspections.
M3 E46 Fabspeed Header Dyno Graph |
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 FAB-E46M3-HDR | Fabspeed E46 M3 Sport Headers, BMW E46 M3 (2000-2006) [More Info] | CALL | |
| Fabspeed E46 M3 Modular Sportcats/Cat Bypass Pipes |
Fabspeed offers a Modular sportcat/Cat Bypass system for your E46 M3. You can use the Cat Bypass feature if you have the stock headers installed or the sportcat feature when utilizing Fabspeed’s E46 M3 Sport Headers.
• High quality 14-16 gauge, T304 stainless steel for optimum performance and reliability. • Complies with emissions and inspections. • Replaces stock secondary catalytic converters for more midrange power and sportscar sound. |
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 FAB-E46M3-SPCAT | Fabspeed E46 M3 Modular Sportcats/Cat Bypass Pipes, BMW E46 M3 (2000-2006) [More Info] | $1895.00 |  |
| FAB-E46M3-CATBY | Fabspeed BMW E46 M3 Cat Bypass Pipes, BMW E46 M3 (2000-2006) [More Info] | $525.00 |  |
Air/Fuel Ratio Monitors  |
The K&N Air/Fuel Monitor is designed to help the performance enthusiast calibrate and fine tune the air/fuel mixture ratio. It is an invaluable diagnostic tool that has a place in everyone's tool box, or you can install it in your car to give you real-time readings. This kit continually monitors an engine's air/fuel ratio while the engine is running. It is extremely sensitive to air/fuel ratio changes and will show them instantly and accurately, within the range of the oxygen sensor.
The instrument works whether the engine is carbureted or fuel injected, normally aspirated, turbocharged, or supercharged, and at any load condition. This precision instrument also works with nitrous oxide, but will not work with diesel or nitromethane fuels. This kit comes complete with an oxygen sensor that must be installed into the exhaust system by welding. If your BMW is already equipped with an oxygen sensor an air/fuel monitor may be purchased separately and wired into the existing electrical system. An oxygen sensor is also available separately.
Vehicles with dual exhaust systems can utilize an oxygen sensor in each headpipe or collector that is controlled by a switch that will allow each sensor or bank of cylinders to be read independently. This can show if there is a fuel distribution problem within the intake system, or help to pinpoint a potential problem in advance. |
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 PEL-SW85-2437 | Rectangle Surface mount Air/Fuel Ratio Monitor Kit, w/oxygen sensor [More Info] | $199.55 |  |
 PEL-SW85-2441 | Round In Dash mount Air/Fuel Ratio Monitor Kit, w/oxygen sensor [More Info] | $206.30 |  |
 PEL-SW85-2439 | Rectangle Surface mount Air/Fuel Ratio Monitor Kit, without oxygen sensor [More Info] | $137.27 |  |
 PEL-SW85-2442 | Round In Dash mount Air/Fuel Ratio Monitor Kit, without oxygen sensor [More Info] | No Longer Available | |
 PEL-SW85-2438 | KN Oxygen Sensor, replacement for air/fuel ratio monitor - single wire (includes weld-on fitting) [More Info] | $82.00 |  |
 PEL-SW85-2440 | O2 Sensor Plug and Fitting [More Info] | $23.60 |  |
| PEL-SW85-21688 | Weld on Fitting [More Info] | $10.50 |  |
 PEL-SW85-21686 | O2 Sensor Plug, 18mm x 1.5 Brand: K&N [More Info] | $16.15 |  |
| O2PLUG-M18-KIT | O2 Sensor Plug, 18mm x 1.5 [More Info] | $5.25 |  |