cat-back

MagnaFlow Exhaust Products 15671 - Street Series Performance Cat-Back Exhaust System

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$838.00

$1,324.19

You save: $486.19 (37%) off MSRP

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This part fits

  1. 2004 Ford Mustang GT Naturally Aspirated 4.6L V8 cid:281
  2. 2004 Ford Mustang Mach I Naturally Aspirated 4.6L V8 cid:281
  3. 2004 Ford Mustang Mach 1 V8 4.6L cid:281
  4. 2003 Ford Mustang GT Naturally Aspirated 4.6L V8 cid:281
  5. 2003 Ford Mustang Mach I Naturally Aspirated 4.6L V8 cid:281
  6. 2003 Ford Mustang Mach 1 V8 4.6L cid:281
  7. 2002 Ford Mustang GT 4.6L V8 cid:281
  8. 2001 Ford Mustang GT 4.6L V8 cid:281
  9. 2000 Ford Mustang GT 4.6L V8 cid:281
  10. 1999 Ford Mustang GT 4.6L V8 cid:281
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About this product

Part #: 15671

Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow Touring Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for the ultimate in unrestricted horsepower and torque for big power while maintaining exhaust efficiency. These systems are an engineered balance of interior and exterior noise levels and are tested against SAE j1169 standards.

More Details

Attachment TypeBolt-On
Exhaust Pipe MaterialStainless
Exhaust TypeDual
Exit PositionDual Split Rear
Exit QuantityDual
Exit StyleDual Split Rear
FinishStainless
Inlet Connection TypeBolt-On
Inlet Inside Diameter2.500 in.
Main Piping Diameter2.500 in.
MaterialStainless
Muffler Body Diameter4.000 in. x 9.000 in.
Muffler Body FinishPolished
Muffler Body Height4.000 in.
Muffler Body Length14.000 in.
Muffler Body MaterialStainless Steel
Muffler Body ShapeOval
Muffler Body Width9.000 in.
Muffler FinishPolished
Muffler TypeStraight-Through
Outlet Outside Diameter3.500 in.
SeriesStreet
Sound LevelModerate
System TypeCat Back
Tip FinishPolished
Tip Length16.000 in.
Tip MaterialStainless Steel
Tip Quantity2
Tip ShapeRound
Tubing Diameter2.500 in.
Additional Documents
  1. Installation Instructionspdf

See what our community says about magnaflow-exhaust-products products

Stephen Hines

155

Stephen Hines
2000 Honda Civic
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Low tone and increased flow.
Is this your first time buying from this brand? Did you consider other brands?
This is the 2nd set I have purchased for Civic hatchbacks.
Was it easy to install? Any installation tips that will help others?
I have not installed this one yet. Paid a muffler shop to install last time but they quoted me too much 10 years later.
View on Stephen's build
Jade D’Vonne

439

Jade D’Vonne
2005 Saab 9-2X
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Installed by previous owner. Rumble sounds good tho!
Is this your first time buying from this brand? Did you consider other brands?
Considered Thrush, I like this rumble better and decided to keep it.
Was it easy to install? Any installation tips that will help others?
Professionally installed.
Once you've had a chance to use the product, did it meet your expectations?
It did.
Any additional comments?
Do it.
View on Jade's build
Jared Victoria

251

Jared Victoria
1987 Nissan Pulsar
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Needed a new cat and this one was direct fit with flanges
Is this your first time buying from this brand? Did you consider other brands?
Yes, and no.
Was it easy to install? Any installation tips that will help others?
I had to rekindle my welding "skills" to fit this in with the flanges.
View on Jared's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Recommended by my performance shop!
View on Dave's build
John Rudder Sr

78

John Rudder Sr
2006 Pontiac G6
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Performance
Is this your first time buying from this brand? Did you consider other brands?
Yes. Other brand considered was Flowmaster.
Was it easy to install? Any installation tips that will help others?
I had it professionally installed.
View on John's build
California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

*Some manufacturer restrictions apply.

About MagnaFlow Exhaust Products

MagnaFlow is a performance exhaust business through and through, yet they've embraced the importance of the technological developments over the past 30 and spent those years evolving the CarSound Catalytic Converter business into what it is today. Today that technology is applied to all of their high performance exhaust products, from cat-back systems and universal mufflers to catalytic converters. MagnaFlow stakes their 30 year reputation for excellence on every product they sell - a claim made possible only through extensive testing and stringent quality assurance methods. But you've come to expect nothing less from them and they’re proud to deliver.

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