Chevy R25 Headers and Exhaust Parts

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Chevy R25

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-33%

MagnaFlow |

#37635169

MagnaFlow 35169 Stainless 3x3.75 Inch Oval Polished Exhaust Tip

Exhaust Tubing Diameter:

2-1/4 Inch

Finish:

Polished

$114.00

/each

$172.40

-9%

Doug's Headers |

#447DEC225AK

Doug's Headers DEC225AK Electric Cut-Out, 2-1/4 Inch, Pair

Exhaust Tubing Diameter:

2-1/4 Inch

Finish:

Ceramic Coated

$693.97

/kit

$763.37

$216 Off

MagnaFlow |

#37635221

MagnaFlow 35221 Stainless 2.375x7.75 Inch Polished Exhaust Tip

Exhaust Tubing Diameter:

2-3/4 Inch

Finish:

Polished

$413.00

/each

$628.79

-33%

MagnaFlow |

#37635179

MagnaFlow 35179 Stainless 2.5 Inch Turndown Polished Exhaust Tip

Exhaust Tubing Diameter:

2-3/4 Inch

Finish:

Polished

$76.00

/each

$114.49

-34%

MagnaFlow |

#37635215

MagnaFlow 35215 Stainless 6 Inch Round Polished Exhaust Tip

Exhaust Tubing Diameter:

5 Inch

Finish:

Polished

$152.00

/each

$230.77

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 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.

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.

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.

Tri-5 Headers with a Rack and Pinion System

In this Tech Tip, John explains the design behind a set of headers destined for a Tri-5 using a traditional rack and pinion style steering system.

Selecting the Right Demo Derby Headers

Check out these tips on the large variety of Demo Derby headers that Speedway Speedway offers. Here, Jeremy will walk you through the many different styles and brands available showcasing which style might fit best in your application.

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.

Wrapping Exhaust Manifolds to Reduce Under Hood Temps

Learn how to wrap exhaust headers to help keep under hood temperatures down. This articles shows how cast iron exhaust manifolds are wrapped in 1-inch black header wrap with stainless steel exhaust wrap ties.

Speedway Tech Talk - Derby Car Headers

Jeremy explains the different options of headers that Speedway Motors offers for Demolition Derby cars. Watch this video to see a variety of options and the benefits of certain headers.

Exhaust Repair

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

-33%

MagnaFlow |

#37611225

MagnaFlow 11225 4x9 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$130.00

/each

$196.64

$109 Off

MagnaFlow |

#37612588

MagnaFlow 12588 5x11 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

2.5"

$209.00

/each

$318.22

-34%

MagnaFlow |

#37612649

MagnaFlow 12649 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$162.00

/each

$245.87

-34%

MagnaFlow |

#37612770

MagnaFlow 12770 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$173.00

/each

$262.23

$118 Off

MagnaFlow |

#37612776

MagnaFlow 12776 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$226.00

/each

$343.76

-21%

Vibrant |

#32117600

Vibrant Race Muffler

Overall Length:

Sold in Quantity:

Each

as low as

$89.99

/each

$113.99

-25%

Vibrant 304 Stainless Steel 180 Degree Mandrel Bend, 1.75" O.D.

Vibrant |

#32118300

Vibrant 304 Stainless Steel 180 Degree Mandrel Bend, 1.75" O.D.

Exhaust Tubing Diameter:

1-3/4 Inch

Material Type:

Stainless Steel

Sold in Quantity:

Each

as low as

$45.50

/each

$60.99

-34%

MagnaFlow |

#37611256

MagnaFlow 11256 4x9 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$146.00

/each

$221.39

-33%

MagnaFlow |

#37611366

MagnaFlow 11366 4x9 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$130.00

/each

$196.64

-34%

MagnaFlow |

#37612265

MagnaFlow 12265 5x8 Inch Oval Offset/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$182.00

/each

$276.49

$112 Off

MagnaFlow |

#37612773

MagnaFlow 12773 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$216.00

/each

$327.98

-34%

MagnaFlow |

#37612866

MagnaFlow 12866 5x5 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$151.00

/each

$229.77

-33%

MagnaFlow |

#37613134

MagnaFlow 13134 3.5x22 Inch Red Glasspack Performance Muffler

Muffler Type:

Glass Pack

Inlet Diameter:

Outlet Diameter:

$58.00

/each

$87.08

$140 Off

MagnaFlow |

#37614829

MagnaFlow 14829 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$269.00

/each

$409.05

-10%

Borla |

#21540842S

Borla® 40842S S-Type Muffler, Round, 2.5 Inch Inlet/Outlet

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$193.99

/each

$216.99

Baffled Muffler with Cutout, 3 Inch Same Side Inlet/Outlet

Speedway Motors |

#9301013

Baffled Muffler with Cutout, 3 Inch Same Side Inlet/Outlet

Muffler Type:

Chambered

Material Type:

Steel

$90.99

/each

-9%

Patriot Exhaust |

#447H7980

Patriot Exhaust H7980 Zinc Plated Header Bolts, 10mm x 1.5 x 22mm, 16

Material Type:

Steel

Sold in Quantity:

Set

$13.14

/set

$14.45

Doug's DEC6230 Electric Cut-Out Replacement Dual Wiring Harness

Doug's Headers |

#447DEC6230

Doug's DEC6230 Electric Cut-Out Replacement Dual Wiring Harness

Sold in Quantity:

Each

$57.60

/each

Hooker Headers |

#91602116

Hooker Headers LS Turbo Exhaust System Kit, 6L80/T56

(1)

Exhaust System Type:

Turbo-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

1-5/8 Inch

$1,269.90

/kit

2.5 Inch Deluxe Dual Exhaust System Kit with Cutouts and Mufflers

Speedway Motors |

#91604033

2.5 Inch Deluxe Dual Exhaust System Kit with Cutouts and Mufflers

(1)

Exhaust System Type:

Header-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/2 Inch

$515.99

/kit

-33%

MagnaFlow |

#37635104

MagnaFlow 35104 Stainless 3.5 Inch Round Polished Exhaust Tip

Exhaust Tubing Diameter:

3 Inch

Finish:

Polished

$57.00

/each

$86.02

-34%

MagnaFlow |

#37635181

MagnaFlow 35181 Stainless 4 Inch Turndown Polished Exhaust Tip

Exhaust Tubing Diameter:

4 Inch

Finish:

Polished

$133.00

/each

$202.10

Spectre 22354 Exhaust Tip, Stainless, 2.75 Inlet/3.5 Outlet, Slant

Spectre Performance |

#46522354

Spectre 22354 Exhaust Tip, Stainless, 2.75 Inlet/3.5 Outlet, Slant

(1)

Exhaust Tubing Diameter:

2-3/4 Inch

Finish:

Polished

$39.99

/each

Stainless Steel Combo Exhaust Bend, 1-5/8 Inch

Speedway Motors |

#91013915

Stainless Steel Combo Exhaust Bend, 1-5/8 Inch

(1)

Exhaust Tubing Diameter:

1-5/8 Inch

Exhaust Pipe Type:

Header Tubing

Outside Diameter:

1.625"

$37.99

/each

Speedway Welded Chamber Muffler, 3 Inch, Center Inlet/Center Outlet

Speedway Motors |

#9301009

Speedway Welded Chamber Muffler, 3 Inch, Center Inlet/Center Outlet

(26)

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$66.99

/each

Stainless Steel 48 Inch Oval Exhaust Tubing, Straight

Speedway Motors |

#91013962

Stainless Steel 48 Inch Oval Exhaust Tubing, Straight

Exhaust Pipe Type:

Custom Tubing

Color:

Natural

Sold in Quantity:

Each

$59.99

/each

-9%

Doug's Headers |

#447DEC300ATD

Doug's Headers DEC300ATD Cut-Out Turn Down Tips, 3"", Stainless

(1)

Exhaust Tubing Diameter:

3 Inch

Finish:

Raw

$64.12

/each

$70.53

-34%

MagnaFlow |

#37635236

MagnaFlow 35236 Stainless 4 Inch Round Black Coated Exhaust Tip

Exhaust Tubing Diameter:

3 Inch

Finish:

Powder Coated

$170.00

/each

$257.97

-19%

Remflex Gaskets |

#63945300

Remflex Gaskets 45-300 V-Band Clamp Gasket 3.00" Diameter, 2 Set

Exhaust Clamp Type:

V-Band

Inside Diameter:

$12.93

/pair

$16.16

-34%

MagnaFlow |

#37611219

MagnaFlow 11219 4x9 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$146.00

/each

$221.39

-33%

MagnaFlow |

#37611236

MagnaFlow 11236 4x9 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$130.00

/each

$196.64

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Chevy R25 Headers and Exhaust Parts

Year

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

MagnaFlow 35169 Stainless 3x3.75 Inch Oval Polished Exhaust Tip

Doug's Headers DEC225AK Electric Cut-Out, 2-1/4 Inch, Pair

MagnaFlow 35221 Stainless 2.375x7.75 Inch Polished Exhaust Tip

MagnaFlow 35179 Stainless 2.5 Inch Turndown Polished Exhaust Tip

MagnaFlow 35215 Stainless 6 Inch Round Polished Exhaust Tip

Related Articles

MagnaFlow 11225 4x9 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 12588 5x11 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12649 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 12770 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12776 7x7 Inch Round Center/Center Stainless Muffler

Vibrant Race Muffler

Vibrant 304 Stainless Steel 180 Degree Mandrel Bend, 1.75" O.D.

MagnaFlow 11256 4x9 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 11366 4x9 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 12265 5x8 Inch Oval Offset/Dual Stainless Muffler

MagnaFlow 12773 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12866 5x5 Inch Round Center/Center Stainless Muffler

MagnaFlow 13134 3.5x22 Inch Red Glasspack Performance Muffler

MagnaFlow 14829 5x8 Inch Oval Center/Center Stainless Muffler

Borla® 40842S S-Type Muffler, Round, 2.5 Inch Inlet/Outlet

Baffled Muffler with Cutout, 3 Inch Same Side Inlet/Outlet

Patriot Exhaust H7980 Zinc Plated Header Bolts, 10mm x 1.5 x 22mm, 16

Doug's DEC6230 Electric Cut-Out Replacement Dual Wiring Harness

Hooker Headers LS Turbo Exhaust System Kit, 6L80/T56

2.5 Inch Deluxe Dual Exhaust System Kit with Cutouts and Mufflers

MagnaFlow 35104 Stainless 3.5 Inch Round Polished Exhaust Tip

MagnaFlow 35181 Stainless 4 Inch Turndown Polished Exhaust Tip

Spectre 22354 Exhaust Tip, Stainless, 2.75 Inlet/3.5 Outlet, Slant

Stainless Steel Combo Exhaust Bend, 1-5/8 Inch

Speedway Welded Chamber Muffler, 3 Inch, Center Inlet/Center Outlet

Stainless Steel 48 Inch Oval Exhaust Tubing, Straight

Doug's Headers DEC300ATD Cut-Out Turn Down Tips, 3"", Stainless

MagnaFlow 35236 Stainless 4 Inch Round Black Coated Exhaust Tip

Remflex Gaskets 45-300 V-Band Clamp Gasket 3.00" Diameter, 2 Set

MagnaFlow 11219 4x9 Inch Oval Center/Center Stainless Muffler

MagnaFlow 11236 4x9 Inch Oval Offset/Offset Stainless Muffler