Flowmaster BMW Headers and Exhaust Parts

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-8%

Flowmaster |

#37815391

Flowmaster 15391 Exhaust Tip, 2.5 in. Inlet I.D., 10 in. Length

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$89.79

/each

$97.95

-7%

Flowmaster |

#37815401

Flowmaster 15401 4 In. Exhaust Tip, Carbon Fiber, Fits 3 In.

Exhaust Tubing Diameter:

3 Inch

Finish:

Carbon Fiber

$184.95

/each

$200.95

-8%

Flowmaster |

#37815402

Flowmaster 15402 Exhaust Tip, 3 In. Dual-Out Angle-Cut Fits 3 In.

Exhaust Tubing Diameter:

3 Inch

Finish:

Polished

$122.95

/each

$133.95

-8%

Flowmaster |

#37815901

Flowmaster 15901 Single Tailpipe Kit, 2.5in 4-piece

Outside Diameter:

2.50"

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Aluminized

$199.95

/kit

$217.95

-8%

Flowmaster |

#37815920

Flowmaster 15920 Exhaust Crossover Pipe, 2.5 in. Diameter

Exhaust Tubing Diameter:

2-1/2 Inch

GTIN Code:

700042014705

$136.95

/kit

$148.95

Exhaust Manifolds VS Headers | How Much HP Do Headers Add

Headers and manifolds differ in design and function. Long tube headers, shorty headers, and exhaust manifolds each have their pros and cons regarding performance and application.

Exhaust Repair

Some basic info on the various exhaust options carried by Speedway Motors.

Exhaust System Header Wrapping

Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.

Tuning Tips after Header Installation

Making the switch from manifolds to headers is a popular performance upgrade, but it may take more than just bolting on the new part. We provide some tips and things to consider after you bolt on a new set of headers.

Building Custom 241 Red Ram Driveshaft Headers

In this detailed article, Tim will guide you on how to build a custom set of 241 Red Ram Hemi driveshaft headers. From the concept to the materials needed, he'll show you how the mockup and final assembly steps.

Ceramic Coated Headers

Watch our video on the ceramic coating process for Armor Hot Coating. Headers coated with Armor Hot Coating protect your car without sacrificing looks.

Hooker Header Installation Guide

Hooker headers are installed in a 1967 Pontiac Firebird for increased power and a boost in performance. See how to work through fitment of the steering box, clutch Z bar and starter.

Speedway Roadster Headers for a 305 Trike

In this Tech Tip, a customer asked about using a set of Small Block Chevy Sprint Roadster headers for his trike, powered by a stock 305.

Speedway Tech Talk - Maintaining Your Headers

Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.

Replacing GM Rear End Spherical Bushings

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

-7%

Flowmaster |

#37851022

Flowmaster 51022 Exhaust Heat Shield, 22 in. x 10 in.

GTIN Code:

700042014781

$72.99

/kit

$78.95

Flowmaster |

#37852580

Flowmaster 52580 80 Series Crossflow Muffler, 2.50 In/Out

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$114.95

/each

Flowmaster |

#37871225

Flowmaster 71225 FlowFX Muffler 2.25 Offset In, 2.25 Center Out

(2)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$99.95

/each

-7%

Flowmaster |

#37815923

Flowmaster 15923 Ball Flange 3.5 Inch Collector to 3 Inch

Material Type:

Steel

Flange Style:

2-Bolt

$265.95

/pair

$287.95

-8%

Flowmaster |

#37815929

Flowmaster 15929 Single Tailpipe Kit, Universal, 4 Inch, 4-Piece

Outside Diameter:

4.00"

Exhaust Tubing Diameter:

4 Inch

Finish:

Aluminized

$249.95

/kit

$273.95

-8%

Flowmaster |

#37815937

Flowmaster 15937 3 Inch U-Fit Universal Dual Exhaust Kit

(1)

Exhaust System Type:

Header-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

3 Inch

$549.95

/each

$597.95

-9%

Flowmaster |

#37842543

Flowmaster Mufflers 42543 40 Series 2.5 Inch Muffler, Offset In/Outlet

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$101.95

/each

$112.95

-7%

Flowmaster |

#37815925

Flowmaster 15925 Ball Flange 3 Inch Collector to 2.5 Inch

(5)

Material Type:

Steel

Flange Style:

2-Bolt

$207.95

/pair

$224.95

-6%

Flowmaster |

#37815397B

Flowmaster 15397B Exhaust Tip, 2.5 in. Inlet I.D., 13 in. Length

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Ceramic Coated

$149.95

/each

$160.95

-8%

Flowmaster |

#37815902

Flowmaster 15902 Single Tailpipe Kit, 3in 4-piece

Outside Diameter:

3.00"

Exhaust Tubing Diameter:

3 Inch

Finish:

Aluminized

$175.95

/kit

$191.95

-11%

Flowmaster |

#378952549

Flowmaster 952549 Super 40 Series Delta Flow Muffler, 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$152.95

/each

$172.95

-7%

Flowmaster |

#37815362

Flowmaster 15362 Exhaust Tip, 2.5 in. Inlet, 13 in. Long

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$79.19

/each

$85.95

-9%

Flowmaster |

#37842442

Flowmaster 42442 40 Series Muffler, 2.25 In/Out

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$101.95

/each

$112.95

-9%

Flowmaster |

#37842541

Flowmaster 42541 2-1/2 Inch Muffler, Offset Inlet/Centered Outlet

(1)

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$101.95

/each

$112.95

-11%

Flowmaster |

#378124124

Flowmaster 12412409 Huspower II Muffler 2.25 Inch 12 Inch Case

(1)

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$169.95

/each

$191.95

Flowmaster |

#37871226

Flowmaster 71226 FlowFX Muffler 2.50 Offset In, 2.50 Center Out

(1)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$84.95

/each

-11%

Flowmaster |

#37842443

Flowmaster Mufflers 42443 40 Series 2.25 In. Muffler, Offset In/Outlet

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$101.95

/each

$114.95

-11%

Flowmaster |

#378125123

Flowmaster 12512300 Hushpower II 304 Muffler 2.5 Inch ID, 12 Inch Case

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$199.95

/each

$224.95

Flowmaster |

#37872198

Flowmaster 72198 FlowFX Muffler 3.00 Center In, 2.50 Dual Out

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

Outlet Diameter:

2.5"

$119.95

/each

-7%

Flowmaster |

#378815936

Flowmaster 815936 Pipe Kit, 2.5 in. Diameter

Exhaust System Type:

Header-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/2 Inch

$584.95

/kit

$633.95

-11%

Flowmaster |

#378942440

Flowmaster 942440 40 Series Delta Flow Muffler, 2.25 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$152.95

/each

$172.95

-11%

Flowmaster |

#378942549

Flowmaster 942549 Super 44 Series Muffler, 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$136.95

/each

$154.95

-11%

Flowmaster |

#3789430502

Flowmaster 9430502 50 Series Delta Flow Muffler 3.00 In/ 2.50 Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

2.5"

$173.95

/each

$195.95

-11%

Flowmaster |

#378943047

Flowmaster 943047 Super 44 Series Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$137.95

/each

$155.95

-11%

Flowmaster |

#378943045

Flowmaster 943045 Super 44 Series Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$137.95

/each

$155.95

Flowmaster |

#37871416

Flowmaster 71416 FlowFX Muffler 2.50 In/Out Round Body

(12)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$84.95

/each

Flowmaster |

#37871419

Flowmaster 71419 FlowFX Muffler 3.00 In/Out Round Body

(2)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

Outlet Diameter:

$99.95

/each

-11%

Flowmaster |

#378942548

Flowmaster Mufflers 942548 Super 44 2.5 Inch Muffler, Offset In/Outlet

(2)

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$137.95

/each

$155.95

-11%

Flowmaster |

#378953046

Flowmaster 953046 Super 40 3 In. Muffler, Offset Inlet-Centered Outlet

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$149.95

/each

$168.95

Flowmaster |

#37871415

Flowmaster 71415 FlowFX Muffler 2.25 In/Out Round Body

(2)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$84.95

/each

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Flowmaster BMW Headers and Exhaust Parts

Model

Subcategory

Part

Brand

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Application

Department

Availability

Discounts

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Customer Rating

Products

Flowmaster 15391 Exhaust Tip, 2.5 in. Inlet I.D., 10 in. Length

Flowmaster 15401 4 In. Exhaust Tip, Carbon Fiber, Fits 3 In.

Flowmaster 15402 Exhaust Tip, 3 In. Dual-Out Angle-Cut Fits 3 In.

Flowmaster 15901 Single Tailpipe Kit, 2.5in 4-piece

Flowmaster 15920 Exhaust Crossover Pipe, 2.5 in. Diameter

Related Articles

Flowmaster 51022 Exhaust Heat Shield, 22 in. x 10 in.

Flowmaster 52580 80 Series Crossflow Muffler, 2.50 In/Out

Flowmaster 71225 FlowFX Muffler 2.25 Offset In, 2.25 Center Out

Flowmaster 15923 Ball Flange 3.5 Inch Collector to 3 Inch

Flowmaster 15929 Single Tailpipe Kit, Universal, 4 Inch, 4-Piece

Flowmaster 15937 3 Inch U-Fit Universal Dual Exhaust Kit

Flowmaster Mufflers 42543 40 Series 2.5 Inch Muffler, Offset In/Outlet

Flowmaster 15925 Ball Flange 3 Inch Collector to 2.5 Inch

Flowmaster 15397B Exhaust Tip, 2.5 in. Inlet I.D., 13 in. Length

Flowmaster 15902 Single Tailpipe Kit, 3in 4-piece

Flowmaster 952549 Super 40 Series Delta Flow Muffler, 2.50 In/Out

Flowmaster 15362 Exhaust Tip, 2.5 in. Inlet, 13 in. Long

Flowmaster 42442 40 Series Muffler, 2.25 In/Out

Flowmaster 42541 2-1/2 Inch Muffler, Offset Inlet/Centered Outlet

Flowmaster 12412409 Huspower II Muffler 2.25 Inch 12 Inch Case

Flowmaster 71226 FlowFX Muffler 2.50 Offset In, 2.50 Center Out

Flowmaster Mufflers 42443 40 Series 2.25 In. Muffler, Offset In/Outlet

Flowmaster 12512300 Hushpower II 304 Muffler 2.5 Inch ID, 12 Inch Case

Flowmaster 72198 FlowFX Muffler 3.00 Center In, 2.50 Dual Out

Flowmaster 815936 Pipe Kit, 2.5 in. Diameter

Flowmaster 942440 40 Series Delta Flow Muffler, 2.25 In/Out

Flowmaster 942549 Super 44 Series Muffler, 2.50 In/Out

Flowmaster 9430502 50 Series Delta Flow Muffler 3.00 In/ 2.50 Out

Flowmaster 943047 Super 44 Series Muffler, 3.00 In/Out

Flowmaster 943045 Super 44 Series Muffler, 3.00 In/Out

Flowmaster 71416 FlowFX Muffler 2.50 In/Out Round Body

Flowmaster 71419 FlowFX Muffler 3.00 In/Out Round Body

Flowmaster Mufflers 942548 Super 44 2.5 Inch Muffler, Offset In/Outlet

Flowmaster 953046 Super 40 3 In. Muffler, Offset Inlet-Centered Outlet

Flowmaster 71415 FlowFX Muffler 2.25 In/Out Round Body

Models: