Posted this up on the other forum and though I would do the same here.
-Input accepted and greatly appreciated. If you have one of the exhausts below and have more information please fill me in. I'll be adding header information to this list as well once I have that information compiled
Mazda3 Aftermarket Exhaust Products
_________________________________________________
Cat-back Exhausts
Note: Unless specifically for the sedan, these exhausts' tips will need to be extended to fit.
Also, most pictures aren't representative of Mazda3 version of each exhaust.
Ark Performance
DT-S Exhaust System
$599 at arkspeedracing
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" Tip / 2.5" Pipe
-Material: T-304 SUS Stainless Steel
video
===============================================
AutoExe
$689 at CorkSport
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 2" pipe
-Material: T-304 SUS / Mirror Polished
video
===============================================
Borla
T-304 S-S
$529 at LMPerformance
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" tip /2.5" pipe
-Material: T-304 stainless steel
video
===============================================
Corksport
Power Series 3
$389 at CorkSport
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" tip / 2.4" pipe
-Material: T-304 stainless steel
-Notes: deletes second cat; dyno, videos, and more available here
video
===============================================
DC Sports
$515 at New Level
-Applications: 04-ON Mazda3 (sedan SCS8018 & hatch SCS8019)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" tip / 2.25" pipe
-Material: T-304 stainless steel
-Note: Rebadged Mazdaspeed Accessory exhaust
===============================================
F2
$300 at F2
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" tip / 2.5" pipe
-Material: T-304 stainless steel
-Notes: comes with race pipe, model: F2M3-Exhaust
video
===============================================
HKS
Hi Power
$455 at 2K Racing
-Applications: 04-ON Mazda 3 (Hatch)
-Engine: 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.78" tip / 2.55" pipe
-Material: SUS304 stainless steel
-Notes: 2nd Cat-Delete
video
===============================================
Magnaflow
$448 at Automotive Concepts
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" tip / 2.25" pipe
-Material: T-304 stainless steel
video
===============================================
Mazdaspeed
Sport Exhaust
$565 Mazdaspeed authorized dealers
-Size: 3.5" Tip / 2.25" Pipe
-Material: T-304 stainless steel
-Note: Mazdaspeed embossed lettering on muffler, mazdaspeed etched in tip
===============================================
Mazdaspeed3
around $200 on the forums, used
-Applications: 07-ON Mazda3 (Sedan & Hatch)
-Engine: 2.0 2.3 4Cyl. / FWD / AT/MT
-Size: 4" Tip / 2.75" Pipe
-Note: This is the stock exhaust off the speed3, many mazda3 owners buy this used then put on a Magnaflow muffler to get rid of highway drone they experience
video by our own laraw
video
===============================================
Protege Garage
Catback Stainless Steel Exhaust
$350 at Protege Garage
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 2.5" pipe
-Material: T-304 stainless steel
SRM Stainless Steel Full Exhaust
$750 at Protege Garage
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.25" tip / 2.3" pipe
-Material: T-304 stainless steel
===============================================
Racing Beat
$499 at Good-Win-Racing
-Applications: 04-06 Mazda 3 (Sedan 71202 & Hatch 71201)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" double-walled tip / 2.375" pipe
-Material: T-304 stainless steel
-Note: statement from Racing Beat says that their exhaust won't fit on 07-On because of significant differences between 06 and 07
video
===============================================
Trubendz
from $255 at Trubendz Ebay Store
-Applications: 04-06 Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3" double-walled tip / 2.25", 2.5", or 3.0" pipe
-Material: stainless steel or aluminized steel
-Note: This system uses a Magnaflow muffler
video
===============================================
Tsudo
$230 at Speed Element
-Applications: 04-06 Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 4.5" tip / 2.5" pipe
-Material: T-304 stainless steel
===============================================
Vibrant
Street Power
$525 at Speed Demon Performance
-Applications: 04-06 Mazda 3 (Sedan 1696S & Hatch 1696)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" tip / 2.375" pipe
-Material: T304-stainless steel
video
===============================================
5Zigen
ProRacer ZZ
$629 at Advance Speed Shop
-Applications: 04-06 Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" tip / 2.375" pipe
-Material: SUS304 tip / SUS436-stainless steel pipe
ProRacer A-Spec
$807 at Advance Speed Shop
-Applications: 04-06 Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" tip / 2.375" pipe
-Material: SUS304 + INCONEL 600 tip / SUS436-stainless steel pipe
video
_________________________________________________
pictures of installed exhausts:
http://www.mazda3forums.com/index.php?topic=72118.0
video clips:
http://www.mazda3forums.com/index.php?topic=76568.0
-Input accepted and greatly appreciated. If you have one of the exhausts below and have more information please fill me in. I'll be adding header information to this list as well once I have that information compiled
Mazda3 Aftermarket Exhaust Products
_________________________________________________
Cat-back Exhausts
Note: Unless specifically for the sedan, these exhausts' tips will need to be extended to fit.
Also, most pictures aren't representative of Mazda3 version of each exhaust.
Ark Performance

DT-S Exhaust System
$599 at arkspeedracing
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" Tip / 2.5" Pipe
-Material: T-304 SUS Stainless Steel
video
===============================================
AutoExe

$689 at CorkSport
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 2" pipe
-Material: T-304 SUS / Mirror Polished
video
===============================================
Borla

T-304 S-S
$529 at LMPerformance
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" tip /2.5" pipe
-Material: T-304 stainless steel
video
===============================================
Corksport

Power Series 3
$389 at CorkSport
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" tip / 2.4" pipe
-Material: T-304 stainless steel
-Notes: deletes second cat; dyno, videos, and more available here
video
===============================================
DC Sports

$515 at New Level
-Applications: 04-ON Mazda3 (sedan SCS8018 & hatch SCS8019)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" tip / 2.25" pipe
-Material: T-304 stainless steel
-Note: Rebadged Mazdaspeed Accessory exhaust
===============================================
F2

$300 at F2
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0, 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" tip / 2.5" pipe
-Material: T-304 stainless steel
-Notes: comes with race pipe, model: F2M3-Exhaust
video
===============================================
HKS

Hi Power
$455 at 2K Racing
-Applications: 04-ON Mazda 3 (Hatch)
-Engine: 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.78" tip / 2.55" pipe
-Material: SUS304 stainless steel
-Notes: 2nd Cat-Delete
video
===============================================
Magnaflow

$448 at Automotive Concepts
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" tip / 2.25" pipe
-Material: T-304 stainless steel
video
===============================================
Mazdaspeed

Sport Exhaust
$565 Mazdaspeed authorized dealers
-Size: 3.5" Tip / 2.25" Pipe
-Material: T-304 stainless steel
-Note: Mazdaspeed embossed lettering on muffler, mazdaspeed etched in tip
===============================================
Mazdaspeed3
around $200 on the forums, used
-Applications: 07-ON Mazda3 (Sedan & Hatch)
-Engine: 2.0 2.3 4Cyl. / FWD / AT/MT
-Size: 4" Tip / 2.75" Pipe
-Note: This is the stock exhaust off the speed3, many mazda3 owners buy this used then put on a Magnaflow muffler to get rid of highway drone they experience
video by our own laraw
video
===============================================
Protege Garage

Catback Stainless Steel Exhaust
$350 at Protege Garage
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 2.5" pipe
-Material: T-304 stainless steel

SRM Stainless Steel Full Exhaust
$750 at Protege Garage
-Applications: 04-ON Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.25" tip / 2.3" pipe
-Material: T-304 stainless steel
===============================================
Racing Beat

$499 at Good-Win-Racing
-Applications: 04-06 Mazda 3 (Sedan 71202 & Hatch 71201)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" double-walled tip / 2.375" pipe
-Material: T-304 stainless steel
-Note: statement from Racing Beat says that their exhaust won't fit on 07-On because of significant differences between 06 and 07
video
===============================================
Trubendz

from $255 at Trubendz Ebay Store
-Applications: 04-06 Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3" double-walled tip / 2.25", 2.5", or 3.0" pipe
-Material: stainless steel or aluminized steel
-Note: This system uses a Magnaflow muffler
video
===============================================
Tsudo

$230 at Speed Element
-Applications: 04-06 Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 4.5" tip / 2.5" pipe
-Material: T-304 stainless steel
===============================================
Vibrant

Street Power
$525 at Speed Demon Performance
-Applications: 04-06 Mazda 3 (Sedan 1696S & Hatch 1696)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 4" tip / 2.375" pipe
-Material: T304-stainless steel
video
===============================================
5Zigen

ProRacer ZZ
$629 at Advance Speed Shop
-Applications: 04-06 Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" tip / 2.375" pipe
-Material: SUS304 tip / SUS436-stainless steel pipe

ProRacer A-Spec
$807 at Advance Speed Shop
-Applications: 04-06 Mazda 3 (Sedan & Hatch)
-Engine: 2.0 2.3L 4Cyl. / FWD / AT/MT
-Size: 3.5" tip / 2.375" pipe
-Material: SUS304 + INCONEL 600 tip / SUS436-stainless steel pipe
video
_________________________________________________
pictures of installed exhausts:
http://www.mazda3forums.com/index.php?topic=72118.0
video clips:
http://www.mazda3forums.com/index.php?topic=76568.0