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T304 vs. T409: How Do these Stainless Steels Differ?

What Does Stainless Actually Mean?

What’s Better, T409 or T304 Stainless Steel Exhaust Components?

Making the Right Exhaust Choice

Don't See Your Make?

Don't See Your Model?

Product Comparison


Flowmaster Exhaust Systems Magnaflow Exhaust Systems JBA Cat4ward Headers MBRP Exhaust Systems

Sale Price

From $229.99


From $310.15


From $142.88


From $199.99


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Customer Rating

Price/Value

Ease of Installation

Quality

Appearance

4.50 Average Customer Rating

(790)

4.5 4.5 4.5 4.5
4.50 Average Customer Rating

(841)

4.5 4.5 5.0 5.0
4.50 Average Customer Rating

(222)

4.5 3.5 4.5 4.5
4.50 Average Customer Rating

(178)

4.5 4.5 4.5 4.5

Design

Axle-Back


Cat-Back


Header-Back


Turbo-Back


Axle-Back


Cat-Back


Downpipe-Back


DPF-Back


Turbo-Back



Cat-Back


Downpipe-Back


DPF-Back


Turbo-Back


Finish

Unfinished


Unfinished


Ceramic-Coated


Chrome


Unfinished


Black


Unfinished


Material

Aluminized Steel


Stainless Steel


Stainless Steel


Mild/Carbon Steel


Stainless Steel


304 Stainless Steel


409 Stainless Steel


Aluminized Steel


Material Detail

409 Stainless Steel


409 Stainless Steel




Style

Dual Exit


Single Exit


Dual Exit


Single Exit



Dual Exit


Single Exit


Warranty

3-year warranty (aluminized steel)


Lifetime Warranty (stainless steel)


Lifetime Warranty


Lifetime Warranty


3-year warranty (black)


Lifetime Warranty


Lifetime Warranty (polished)


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Exhaust, Mufflers & Tips Customer Reviews

Flowmaster exhaust for 03Ford

Appearance
Ease of Installation
Price/Value
Quality

Reviewed by Dennis M (Mattawan, MI Reviewed for a 2006 Buick LaCrosse—2008-11-11 18:20:05

easy to install,after old muffler was removed ,good directions,good sound,a touch quiet for my taste,was wondering why?they Don't offer true duals when when it Has dual cat's on the truck.over all happy with the outcome

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John 300C Hemi MDS System

Appearance
Ease of Installation
Price/Value
Quality

Reviewed by John T (Lockport, IL Reviewed for a 1994 Acura Legend—2007-08-16 06:51:19

I had the exhaust for a week now, installation was very quick at a local muffler shop. Exhaust sounds great in town, nice low tone and not too loud, but not quiet, you know you have an exhaust. My only issue is when the MDS system kicks in at highway speeds, the change in exhaust tone is annoying. This is mentioned during the order process, if you have this type of engine, you will notice the MDS system kicking in with this exhaust, with the factory exhaust, the 8 to 4 cylinder change was invisible. During city driving exhaust is great but on the highway, not so much.

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Ask & Answer

Asked by Anonymous A.

7/17/2012 8:36:47 PM

EXHAUST

IS THERE AN EXHAUST FOR AN AWD MODEL/

Staff Answer

Answered by Nathan S. — 7/18/2012 1:58:42 PM

We are still waiting for a manufacturer to offer a performance exhaust kit for the AWD MKZ. There is a difference in fitment between the 2WD and AWD models. A lack of fitment options could be due to the center differential and driveshaft being in the way.

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Asked by Anonymous A.

7/23/2012 3:16:52 PM

marshall

I have a 2012 mustang gt stock. Please provide me full details about borla touring cutback 140371 and what's included In box. Will it fit my model properly? I need more details of the kit and about what is included in box.

Staff Answer

Answered by Elizabeth C. — 7/23/2012 3:46:52 PM

Hello Marshall. In regards to your 2012 Ford Mustang GT 5.0L, the Borla Touring Catback Exhaust System includes: 2x Borla Touring mufflers (with exhaust tips), 2x Mid-Pipe (from the X-Pipe to each muffler), 1x X-Pipe, and all hardware, brackets, hangers and clamps. The Borla p/n: 140371 is the correct catback exhaust system for a 2012 Ford Mustang GT 5.0L

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