Series I Aftermarket Performance Modifications

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Announcement: TAKATA Air Bag Extended Warranty (USA)

Jul 1, 2021 ASH8

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aftermarket, body, door, exhaust, fuel, gain, greddy, greedy, horsepower, kit, legal, mazda, perth, rx8, sp2, street, system

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RX-8 aftermarket exhausts SUMMARY

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bobclevenger on Dec 11, 2003

Aug 25, 2021 05:24 PM
by maxramey14

910

424,980

111, 3d, apex, bill, chart, club, cr, flame, front, ignition, lolachampcar, mazdamaniacs, obdscan, plot, rx8, timing, tuner, wanna

Sticky

So you wanna be a tuner?

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BigOLundh on Oct 4, 2006

Oct 11, 2017 09:33 PM
by jkinard

138

86,289

Sticky

Calling all Springs, Flywheels, Sway Bars, Intakes, Pulleys, and more!

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speeddemon32 on May 26, 2006

Nov 10, 2013 06:11 PM
by dlum125

62,336

guide, list, modibg, mods, performance, rx, rx8

Sticky

Newbie's Guide to Modding the RX-8 (link)

RIWWP on Jul 4, 2012

Jul 4, 2012 11:19 AM
by RIWWP

44,936

ac, beat, belt, catalytic, change, compressor, converter, emissions, header, pump, racing, remove, removing, replacing, rx8, rx8club, water

Sticky

The New RX8 Owner FAQ -- 1-25-09

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1 2)

staticlag on Jan 4, 2009

Jan 25, 2009 11:22 PM
by staticlag

124,721

Normal Threads

big, flex, ground, grounding, innovation, innovations, install, kit, mazda, points, purpose, review, reviews, rx8, tuned

Product reveiw:Flex Innovations grounding kit.

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1 2 3 4)

bose on Dec 3, 2008

May 18, 2026 02:05 PM
by Qonjin

25,431

HKS Hi Power exhaust silencer insert test

hufflepuff on Apr 11, 2026

Apr 12, 2026 05:49 AM
by Monstermills

376

*Racing Beat Header - worth it?

TopGunM2k on Mar 24, 2026

Mar 27, 2026 08:36 PM
by TopGunM2k

795

RX-8 Racing Beat REVi Intake | Install & TEST!

hufflepuff on Feb 26, 2026

Mar 5, 2026 04:53 AM
by Monstermills

952

cat, catpipe, cel, code, flow, high, inspection, midpipe, midpipecatpipe, review, rx8, rx8club, turbo, turboxs, xs

Turboxs midpipe w/cat

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1 2)

MDJ710 on Nov 5, 2012

Feb 5, 2026 11:26 PM
by TopGunM2k

19,309

agen, agency, autobhan, code, crankshaft, install, installing, intercooler, mazda, misfire, pulley, pulleys, reset, rx8, underdrive

Agency Power Underdrive Pulley - Review & Pics

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staticlag on May 19, 2006

Dec 7, 2025 09:37 AM
by Meat Head

228

70,171

E85 conversion of a non turbo engine

Kamal El on Apr 11, 2025

Nov 8, 2025 07:29 AM
by equinox92

3,895

Free Headers worth installing!?

TopGunM2k on Nov 1, 2025

Nov 3, 2025 01:03 PM
by TopGunM2k

668

200, buy, cat, catalytic, cats, cocktail, converter, cpi, davesport, flow, high, highflowmetalliccatrx7, probation, rx8, shaker

Which Hi-flow cat to buy (not a pipe with the cat, JUST the cat)

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Daemos on Jan 24, 2008

Sep 27, 2025 04:15 PM
by hufflepuff

127

32,569

2010, air, attatched, box, carbon, charger, inlet, intake, mazda, ram, review, rx8, rx8club, simota, stock

Intake Intakes Intakes

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speeddemon32 on May 18, 2006

Sep 20, 2025 04:10 PM
by HMSS013

348

120,959

Mazdaspeed dual canister muffler

SparklingFresca on Nov 17, 2024

Mar 6, 2025 02:59 PM
by TopGunM2k

1,865

Ebay headers??

Dani_Zetec on Jan 15, 2025

Jan 26, 2025 10:45 AM
by motodenta

2,049

famous, guy, makes, paul, richard, shifter, shifters, short, the, world

Name Richard's Shifter....

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1 2)

Gomez on Apr 24, 2005

Nov 15, 2024 06:08 AM
by 200.mph

4,509

Long term review CAE Ultra Shifter

motodenta on Mar 29, 2024

Aug 12, 2024 08:03 PM
by motodenta

7,421

apv, cat, efficiency, mid, midpipe, ouzo, performance, pipe, review, rotary, rp, rx8, super, supercat, threshold

Rotary Performance Super CAT Midpipe

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Nemesis8 on Feb 28, 2005

Jun 29, 2024 12:51 AM
by TopGunM2k

320

68,166

12a, 13b, ac, advance, engine, ignition, leading, mazda, renesis, rotary, rx7, split, tables, timing, trailing

leading and trailing ignition split

zoom44 on Sep 14, 2004

Apr 21, 2024 08:06 AM
by motodenta

14,688

Clutch Delay Valve (CDV) Removal

GQM on Dec 6, 2023

Feb 17, 2024 06:20 PM
by motodenta

2,480

Center siamese port UEL header thoughts

ZenVirZan on Dec 5, 2023

Dec 7, 2023 05:23 PM
by TeamRX8

1,495

Bump Stop modification for Shocks and lowering springs

TopGunM2k on Nov 15, 2023

Nov 16, 2023 01:14 PM
by TopGunM2k

3,739

Hello!

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1 2)

pls_pressY4pie on Aug 15, 2021

Oct 19, 2023 09:55 AM
by ciprianrx8

9,685

The butt dyno. Myth or reality?

kevink0000 on Oct 5, 2023

Oct 6, 2023 11:29 AM
by BigCajun

1,820

119, axialflow, brace, motegi, mr, racing, review, rx8, shifter, short

another AxialFlow shifter deal

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Richard Paul on Sep 27, 2008

Oct 4, 2023 09:01 AM
by Richard Paul

349

29,938

Premix with cat

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Fickert on Apr 21, 2014

Sep 13, 2023 11:47 PM
by TeamRX8

30,239

Midpipe help?

Gotian on Apr 1, 2023

Aug 23, 2023 09:35 PM
by Dimension23

1,797

Mazdaspeed Exhaust Differences

blkswan on Nov 16, 2018

Jul 27, 2023 01:42 PM
by MazdaTrio

6,109

Can E85 technically work?

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1 2 3)

Jesus Martinez on Aug 16, 2015

Jul 26, 2023 11:29 PM
by SilversNova

52,027

RX-7 height apex seal rev limit

ZenVirZan on May 25, 2023

Jul 26, 2023 11:18 PM
by SilversNova

4,380

Transmission Options for S1

ZenVirZan on Jun 16, 2023

Jun 20, 2023 05:09 AM
by ZenVirZan

3,511

BARGAIN PRICE? Is this Legit?

Slick1983 on Jun 6, 2023

Jun 17, 2023 08:44 AM
by spectre6000

1,855

Radiator broke, need upgrade suggestions

Gotian on Apr 12, 2023

May 16, 2023 11:22 PM
by TeamRX8

2,263

aftermarket corner seals

tr1ple on Jan 30, 2023

Feb 10, 2023 04:15 PM
by GoodfellaFD3S

3,178

Hood Louvers for a k&n typhoon intake

cmaderia10 on Nov 12, 2022

Dec 9, 2022 09:19 AM
by BigCajun

1,848

lower air actuators sleeves removed??

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1 2)

jorx7 on Apr 5, 2020

Nov 6, 2022 11:32 PM
by Loki

8,067

2004, club, coolant, davis, days, design, fans, radiator, radiatorrx8, ron, running, rx8, rx8club, slow, track, works

Best Radiator

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Moderie/MT on Jun 16, 2009

Nov 3, 2022 09:35 AM
by TeamRX8

27,417

Best Header

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1 2 3)

Jarrell Williams on Jan 4, 2018

Oct 15, 2022 01:07 AM
by TeamRX8

76,821

What clutch should I get as a replacement?

ThomasThicc on Apr 24, 2020

Aug 16, 2022 07:25 PM
by pfknrx8

7,123

WHICH RADIATOR? or ( Here we go again!)

RA32425 on Jul 26, 2022

Jul 28, 2022 11:48 PM
by TeamRX8

6,249

aftermarket, aluminum, angeles, antonio, bhr, davis, fan, los, mazda, mishimoto, radiator, ron, rx8, rx8club, san, shroud

Calling All Aftermarket Aluminum Radiators

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9krpmrx8 on Nov 25, 2011

Jul 18, 2022 01:08 PM
by Tamas

163

91,811

Moved

The Shinka LFX

delturcious on Jul 14, 2022

125, car, compresion, compression, high, highest, increase, mazda, performance, production, ratio, rotary, rotor, rotors, rx8

Higher Compression Rotors

Erv187 on Jun 24, 2005

Jun 5, 2022 05:41 PM
by TeamRX8

19,330

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