2004-2009 Mazda 3 Performance & Mods | Page 3 | 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums

2.0 too 2.5? New too the 3 community!

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Is worth it to modify/rebuild a car/motor with almost 290,000km

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How do I turbo a 2.5 Swap?

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Boosting a 2.3L Mazda

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Advice on boosting 06 2.3?!

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Brakes upgrade

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Fusion 2.5 Swap into 2007 Mazda 3 Won't Start

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Removing Downstream O2 Sensor

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by AgnosticRaptor

2009 Mazda 3 2.0 L

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Mazda 3 POD filter

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2004 BK Gen 1 Turbo

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ECU question

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by Dems

Engine swap

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Build a better 2006 mazda 3 exhaust

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Engine Swap Idea -- Let's Brainstorm

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by Thane

Turbo Mazda 3 2.0l

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Take contol of your A/C

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by Paul Darrigo

2.3L Dyno sheet

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N/A MZ3 MODS Don't say get a Speed 3 or should've this thread is for the N/A Peeps!

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vibrant header and corksport cbe

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2008 Mazda a totally new car!

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Engine light on after installing CAI

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by McG

2007 Mazda 3 Mods?

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fuel injector

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Custom Headlights By HID RETROFIT KIT

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by vanquishauto

Clutch feeling

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by charcoalgrey3

Mazda3 Non-Turbo 2.3l

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05 mazda 3i

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2005 BK Exhaust Recommendation

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Engine Swaps on a 1.6

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2007 2.3L 5 speed Automatic transmission issues

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by iankaz

Mazda 3 wont start

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Straight pipe, Cadillac converters and how to go about it?

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by MrBen

Cold air intake

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by xbeaus

2009 hatch mod recommendations

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by Gary_L