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Exhaust

Audi A4 B6 Aftermarket Exhaust Catalytic Converter, Catback, Parts and Exhaust Tips

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  • 42 Draft Designs 3" Exhaust Tip (2.5" Clamp-On) (Double Wall) (Gloss Black)

    When the only visible part of an exhaust system is the tips, the fit and finish must be flawless. In order to consistently provide tips of the highest quality we've developed the manufacturing processes necessary to build our tips in house. All of our tips begin with 304 stainless steel, press formed and fabricated with precision. Each tip is polished grit-by-grit on powerful buffing equipment until a mirror shine is achieved.

    Models Include:
    Universal - please check your exhaust tubing size

    Learn More
    $85.50

    made to order, ships in 3-5 days


  • 42 Draft Designs 3" Exhaust Tip (2.5" Clamp-On) (Double Wall) (Matte Black)

    When the only visible part of an exhaust system is the tips, the fit and finish must be flawless. In order to consistently provide tips of the highest quality we've developed the manufacturing processes necessary to build our tips in house. All of our tips begin with 304 stainless steel, press formed and fabricated with precision. Each tip is polished grit-by-grit on powerful buffing equipment until a mirror shine is achieved.

    Models Include:
    Universal - please check your exhaust tubing size

    Learn More
    $85.50

    made to order, ships in 3-5 days


  • 42 Draft Designs 3" Exhaust Tip (2.5" Clamp-On) (Double Wall) (Polished)

    When the only visible part of an exhaust system is the tips, the fit and finish must be flawless. In order to consistently provide tips of the highest quality we've developed the manufacturing processes necessary to build our tips in house. All of our tips begin with 304 stainless steel, press formed and fabricated with precision. Each tip is polished grit-by-grit on powerful buffing equipment until a mirror shine is achieved.

    Models Include:
    Universal - please check your exhaust tubing size

    Learn More
    $71.25

    made to order, ships in 3-5 days


  • 42 Draft Designs O2 Sensor Spacer

    When an aftermarket high-flow catalytic converter is used on a late model car its common to see a CEL (Check Engine Light) come and go. This CEL is usually backed by a fault code that indicates a failed cat. If your new cat is NEW, how could it have failed? Behind the scenes, the factory ECU is comparing the readings from a pair of oxygen sensors to measure the effectiveness of the cat. When a high-flow cat is used the exhaust gases are able to pass by the cat at a much faster rate, disrupting the readings.

    Models Include:
    Universal - M18x1.5mm

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    $48.00

    ships in 24-48 hours


    Out of stock

  • Milltek O2 Sensor Spacer (Straight)

    This O2 spacer has a mini catalyst substrate that separates the Oxygen sensor from the exhaust gas stream.

    Models Include:
    Universal - M18x1.5mm

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    Regular Price: $49.00

    Special Price $44.10

    ships in 24-48 hours


  • Milltek O2 Sensor Spacer (90 Degree)

    1 Review(s)

    This O2 spacer has a mini catalyst substrate that separates the Oxygen sensor from the exhaust gas stream.

    Models Include:
    Universal - M18x1.5mm

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    Regular Price: $54.00

    Special Price $48.60

    ships in 24-48 hours


  • Torque Solution O2 Sensor Extender (Straight)

    This Steel O2 sensor extender is basically for keeping the O2 sensor out of exhaust pipe. These also work when running a hi flow cat or a test pipe. It's a very simple 10~15 mins installation, This extender will fit most O2 sensors with 18mm thread size.

    Models Include:
    Universal

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    $12.99

    ships in 24-48 hours


  • Torque Solution O2 Sensor Extender (45° Degree)

    The second O2 sensor is there to make sure the catalytic converter is doing it's job properly. By Utilizing the Torque Solution 45 Degree O2 Sensor Extender to move the second O2 out of the exhaust stream on modified vehicles it will reduce / prevent the risk of throwing a CEL.

    Models Include:
    Universal - M18x1.5mm

    Learn More
    $24.99

    ships in 3-5 days


  • Torque Solution O2 Sensor Spacer (90° Degree)

    The second O2 sensor is there to make sure the catalytic converter is doing it's job properly. By Utilizing the Torque Solution 90 Degree O2 Sensor Spacer to move the second O2 out of the exhaust stream on modified vehicles it will reduce / prevent the risk of throwing a CEL.

    Models Include:
    Universal - M18x1.5mm

    Learn More
    $28.99

    ships in 3-5 days


  • Magnaflow 3.5" Exhaust Tip (2.75" Clamp-On) (Double Wall) (Polished)

    MagnaFlow’s Double Wall Tips feature a Mirror Polished finish and Stainless Steel construction that will last 5 times longer than chrome tips. High Quality Double Wall construction gives you an additional inner thermal barrier lining of Stainless Steel that provides greater protection and insulation from high temperature exhaust gases.

    Models Include:
    Universal - please check your exhaust tubing size

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    $108.09

    ships in 24-48 hours


  • Magnaflow 3.5" Exhaust Tip (3" Clamp-On) (Double Wall) (Polished)

    MagnaFlow’s Double Wall Tips feature a Mirror Polished finish and Stainless Steel construction that will last 5 times longer than chrome tips. High Quality Double Wall construction gives you an additional inner thermal barrier lining of Stainless Steel that provides greater protection and insulation from high temperature exhaust gases.

    Models Include:
    Universal - please check your exhaust tubing size

    Learn More
    $108.70

    ships in 24-48 hours


  • Magnaflow 4" Exhaust Tip (3" Clamp-On) (Single Wall) (Polished)

    MagnaFlow universal Polished Stainless Steel Clamp-On Tips feature the toughest clamp in the market. The fully polished band clamp is welded to the tip with a high strength zinc-coated bolt assembly that is built to survive even the harshest climates.

    Models Include:
    Universal - please check your exhaust tubing size

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    $81.55

    ships in 24-48 hours


  • Borla Catback Exhaust System for Audi A4 B6, B7, Quattro

    The performance advantages of a BORLA® are widely recognized. The top engine builders in the racing world rely on BORLA® exhaust for maximum performance. In fact, BORLA® is at the forefront of the movement toward responsible racing with our full line of patented, award and race-winning racing mufflers that not only maintain a race engine's power, but in some instances actually add power.

    Models Include:
    Audi A4 B6 (2002-2004) 1.8T quattro
    Audi A4 B7 (2005-2008) 2.0T quattro

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    $899.99

    ships in 24-48 hours


  • Magnaflow Direct Fit Catalytic Converter for Audi A4 B5, B6, 1.8T

    MagnaFlow specializes in superior catalytic converter and exhaust technology and has spent the past 30+ years earning its reputation as a global market leader. American engineered and manufactured, MagnaFlow Catalytic Converters combine efficient industrial design to produce a product that exceeds, rather than meets, the highest standards of product performance and efficiency in the industry.

    Models Include:
    Audi A4 B5 (1997-2001) 1.8T
    Audi A4 B6 (2002-2004) 1.8T
    Volkswagen Passat B5 (1998-2004) 1.8T

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    $362.13

    ships in 24-48 hours


  • Flowmaster Universal Catalytic Converter (223 Series) (3.0" Inlet/Outlet)

    These high quality catalytic converters are manufactured in the USA, and feature stainless steel outer shell construction for maximum durability. The internal substrate material and precious metal loading have been carefully engineered for maximum efficiency and to avoid MIL (Malfunction Indicator Lamp) code issues that are common with lower quality converters.

    Models Include:
    Universal

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    $73.86

    ships in 24-48 hours


  • Milltek Hi-Flow Sports Cat for Audi A4, B5, B6, 1.8T

    Easy installation, bolts between your factory turbo and downpipe. Can be used with your stock exhaust or aftermarket exhausts. We all know that to make power you want to remove restriction as close to the turbo as possible. You can't get any closer than this. 200-cell Platinum-coated stainless steel cat. Mega-flow, quicker turbo spool-up, cooler exhaust gas temps. Get yours now!

    Models Include:
    Audi A4 B5 (1997-2001) 1.8T models
    Audi A4 B6 (2002-2004) 1.8T models

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    Regular Price: $1,249.00

    Special Price $1,124.10

    ships in 24-48 hours


  • Milltek Downpipe-Back Exhaust for Audi A4 B6 1.8T (Quattro) (Tiptronic) (Non-Resonated)

    These systems are fully stainless inside and out and come with very trick polished stainless steel tips. Fits exactly as your OEM system and is easy to install.

    Models Include:
    Audi A4 B6 (2002-2004) 1.8T quattro tiptronic models

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    Regular Price: $989.00

    Special Price $890.10

    ships in 24-48 hours


  • Milltek Downpipe-Back Exhaust for Audi A4 B6 1.8T (Quattro) (Tiptronic) (Resonated)

    These systems are fully stainless inside and out and come with very trick polished stainless steel tips. Fits exactly as your OEM system and is easy to install.

    Models Include:
    Audi A4 B6 (2002-2004) 1.8T quattro tiptronic models

    Learn More

    Regular Price: $1,099.00

    Special Price $989.10

    ships in 24-48 hours


  • AWE Tuning Performance Exhaust System for Audi A4 B6 1.8T (Downpipe + Exhaust) (Manual) (Diamond Black Tips)

    Each system is mandrel bent T304 stainless steel, and the manual transmission model is a full catalytic converter back design. Since the catalytic converter resides in the engine bay with the A4 1.8T, an exhaust system is only considered a catalytic converter back design if the downpipe that comes off the catalytic converter is also part of the system.

    Models Include:
    Audi A4 B6 (2002-2004) 1.8T quattro manual models

    Learn More
    $1,245.00

    built to order, ships directly from AWE Tuning


  • AWE Tuning Performance Exhaust System for Audi A4 B6 1.8T (Downpipe + Exhaust) (Manual) (Polished Silver Tips)

    Each system is mandrel bent T304 stainless steel, and the manual transmission model is a full catalytic converter back design. Since the catalytic converter resides in the engine bay with the A4 1.8T, an exhaust system is only considered a catalytic converter back design if the downpipe that comes off the catalytic converter is also part of the system.

    Models Include:
    Audi A4 B6 (2002-2004) 1.8T quattro manual models

    Learn More
    $1,195.00

    built to order, ships directly from AWE Tuning


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