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Exhaust System Replacement

Discussion in '2nd Gen. Tacomas (2005-2015)' started by bkrdave36, Feb 3, 2025.

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Feb 3, 2025 at 11:23 PM

#1

#1
bkrdave36 [OP] Well-Known Member

Joined:

May 12, 2011

Member:

#56546

Messages:

826

Gender:

Male

First Name:

Dave

Wittmann,AZ

Vehicle:

06 Prerunner Double Cab Black

Front OME Springs, Upper Control Arms, Icon Stage 3 Rear Leaf Springs, Durobump bump stops,Bilstein 5125 shocks, BFG All Terrain KO2 Tires, Avid Light bar and step rails, Victory 4x4 bed rack with Tepui Ayer Rooftop Tent, Anytime Fog light mod, Outside Air Temp Gauge mod, ImMrYo Rearview Mirror mod, Chinese Knockoff LED lights, Body Armor 4x4 Offroad Swingout rear tire carrier and bumper, Victory 4x4 Bed Stiffeners, Rattle can Custom Camo paint stripe, Truxedo Lo Pro tonneau cover, various Blue Ridge Overland Gear storage solutions in cab, thats it so far .... to be continued!

I am replacing my entire exhaust system, should I go CARB or EPA? Or does it really matter if I don't plan on moving to Kaliforniastan or any of the other CARB required states? And no, my cats are still attached.

2006 Prerunner 4.0 V6 450k miles.

bkrdave36, Feb 3, 2025

#1

Feb 4, 2025 at 1:40 PM

#2

#2
wi_taco My skid plates give rocks taco flavored kisses

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Jul 20, 2020

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#335129

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4,115

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Adam

SE Wisconsin

Vehicle:

2015 Toyota Sienna with rear locker

If you don't plan to move to any of the (15) CARB states then you only need to meet EPA standards.

PS - grats on 450k miles, well done wow.

wi_taco, Feb 4, 2025

#2

sparkystaco likes this.

Feb 16, 2025 at 2:59 PM

#3

#3
bkrdave36 [OP] Well-Known Member

Joined:

May 12, 2011

Member:

#56546

Messages:

826

Gender:

Male

First Name:

Dave

Wittmann,AZ

Vehicle:

06 Prerunner Double Cab Black

Front OME Springs, Upper Control Arms, Icon Stage 3 Rear Leaf Springs, Durobump bump stops,Bilstein 5125 shocks, BFG All Terrain KO2 Tires, Avid Light bar and step rails, Victory 4x4 bed rack with Tepui Ayer Rooftop Tent, Anytime Fog light mod, Outside Air Temp Gauge mod, ImMrYo Rearview Mirror mod, Chinese Knockoff LED lights, Body Armor 4x4 Offroad Swingout rear tire carrier and bumper, Victory 4x4 Bed Stiffeners, Rattle can Custom Camo paint stripe, Truxedo Lo Pro tonneau cover, various Blue Ridge Overland Gear storage solutions in cab, thats it so far .... to be continued!

I decided to get CARB compliant upstream cats and EPA compliant downstream cats as the upstream are the only ones monitored by the ECU.

I'll post how they work after I install the system.

bkrdave36, Feb 16, 2025

#3

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