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504
Sticky
~Official~ IS300 Header Thread
Bezik777
Apr 25, 2011
11
12
13
242
174K
Jul 9, 2021
by
Bezik777
Sticky
Official IS300 Cam/Head Thread
Bezik777
Feb 8, 2012
3
4
5
89
101K
Jul 8, 2021
by
Bezik777
Sticky
~Official~ IS300 INTAKE THREAD
Bezik777
Sep 18, 2011
11
12
13
244
159K
Jul 8, 2021
by
Bezik777
L
Sticky
NA Advanced Performance Upgrades (APU)
longnights
Sep 14, 2007
2
34
69K
Jul 24, 2020
by
ill_mannered
L
Sticky
Exhaust sound rating thread
lilboi
Aug 15, 2007
11
12
13
244
159K
Jun 21, 2020
by
BrokeIS
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Sticky
All Members Read This Now!!! Newb Or Not!!!
HyperMKIV
May 6, 2003
5
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136
90K
Nov 15, 2018
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roulbs
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Sticky
Newbie Go Fast Stuff Link thread -- READ HERE
longnights
Sep 16, 2007
11
71K
May 10, 2016
by
t3b3
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Sticky
Official online shopping experiences thread
longnights
Feb 26, 2008
2
29
26K
May 5, 2015
by
tbkallday
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Sticky
IS300 Bolt-On Upgrades (BU) Catalogue **569 items now listed** v3.2 (4/15/2009)
longnights
Oct 4, 2007
Locked
5
6
7
123
124K
Apr 5, 2013
by
brokenprogram
K
Sticky
So one more time, HEADERS!
kponti
Mar 26, 2009
Locked
2
3
4
77
72K
Mar 17, 2013
by
Bezik777
D
Sticky
Lexus is300 Performance chip??
dustyrosee
Dec 23, 2011
Locked
15
39K
Jan 24, 2013
by
Jerm__
S
post cat O2 Sensor filters for use with bad cats or catless headers...
SwinginMeat
Feb 15, 2024
22
2K
5d ago
by
Jaysz28
S
Magnaflow 452843 Exhaust Manifold & Catalytic Convertor...
SilverIsMy300
Nov 16, 2017
8
4K
Mar 4, 2024
by
01 SolarYellow
ffim and throttle body coolant hose question
soom go crazy
Feb 22, 2024
16
765
Feb 28, 2024
by
soom go crazy
M
Building vvti vs non vvti
MatthewM7
Feb 23, 2024
7
572
Feb 27, 2024
by
Falkon45
S
Thoughts on Magnaflow Exhaust (16762)
scsc7211
Sep 23, 2015
12
7K
Feb 25, 2024
by
tonynca
IS300 MAuto Mod - Ultimate manual swap wiring - NO CEL - INSTANT POWER - NO PARTS NEEDED - AUTO ECU!
marko.dodo
Jun 8, 2020
50
33K
Feb 25, 2024
by
ClarkeK
Compression ratio of 0.1" decked block and head
Is300 01 guy
Feb 20, 2024
19
984
Feb 22, 2024
by
Hodgdon Extreme
V
W58 from sc300 with tripod shifter swapped into 03 auto IS300
vaded
Apr 27, 2021
3
4K
Feb 15, 2024
by
Boombox789
D
BLITZ Throttle Controller Help
dichroicKismet
Jan 27, 2024
3
398
Jan 28, 2024
by
Kris OK
D
Slow start up
dee_nice83
Jun 3, 2010
9
5K
Jan 4, 2024
by
01 SolarYellow
P
THMotorsports Custom Stage 2 & Flywheel Review
patphil
Sep 22, 2011
10
4K
Dec 29, 2023
by
Aidansus
S
Aftermarket radiator suggestions for an automatic?
sidd622
Dec 17, 2023
4
521
Dec 22, 2023
by
Rshanks1
D
Traction Control Fuse
demonx
May 18, 2008
21
34K
Dec 14, 2023
by
01 SolarYellow
T
Joez intake feels sluggish vs stock intake
tonynca
Oct 23, 2023
10
1K
Nov 29, 2023
by
wingnut
G
Current Titanium Exhaust Options
Goopi
Nov 9, 2023
15
2K
Nov 23, 2023
by
Steve Theodore
I
FullBlown 8.8 FRS/BRZ Differntial
IS-2JZ
Apr 14, 2016
24
10K
Nov 23, 2023
by
akarilo
M
IS300 3rd Cat. Delete with Muffler Delete
Mr. Sinister
Jan 23, 2013
2
44
29K
Nov 14, 2023
by
Aidansus
Y-pipes - OBX vs Megan vs Brokett Built
wingnut
Oct 22, 2023
2
460
Oct 25, 2023
by
Falkon45
IS300 Headers 2023
bryanisatroll
Feb 19, 2023
16
3K
Oct 11, 2023
by
Bezik777
C
Want opinions for exhaust on stock is300
Chin Chin
Oct 1, 2023
6
736
Oct 4, 2023
by
wingnut
B
ATTN MANUAL OWNERS: Clutch Damper Device Delete (CDDD) Step by Step w/ Pictures
Be.Parker
Jan 12, 2016
5
8K
Sep 23, 2023
by
Aidansus
E
GS400 Swap - donor acquired
Ek9B18
Jul 5, 2013
9
10
11
290
88K
Sep 19, 2023
by
ThatOneWagon
M
Installed header, now lots of issues.
MarX
Dec 7, 2015
10
3K
Sep 18, 2023
by
Mr. Egan
G
CEL Codes P0171 & P0174 after ypipe install WTF
goohead
Oct 20, 2005
6
1K
Sep 18, 2023
by
Mr. Egan
Power limit on stock internal 2jz-ge?
London.santacruz
May 9, 2020
25
46K
Sep 13, 2023
by
Vegasc300zx
L
Tutorial: Srt Intake Install
Lexus01IS300
Feb 8, 2009
2
3
95
46K
Sep 11, 2023
by
wingnut
V
Where to buy: AFE dry filter for my SRT intake?!?
vitveet
Sep 4, 2007
18
6K
Sep 3, 2023
by
JeEulViT
Fully built dad sedan alternator problems
ShipboxGarage
Aug 12, 2023
5
630
Aug 23, 2023
by
Jonqdiesel
Area 74 O2 Simulator
Milo Mango
Feb 6, 2023
16
3K
Aug 22, 2023
by
Hodgdon Extreme
Fuel gauge acting funny
That_is_300wagon
Aug 9, 2023
5
557
Aug 10, 2023
by
Kris OK
Just a K&N drop in
hatfalvisteve
Aug 9, 2023
2
497
Aug 10, 2023
by
TobiasSing
W
N/A Supra Flywheel/Clutch Swap w/ part numbers and pics
what it IS
Mar 24, 2010
6
7
8
282
147K
Aug 8, 2023
by
Piggity
C
Just Did the N/A Supra/Lexus SC300 Clutch Swap
CanIHasFI
Jan 29, 2017
2
2K
Aug 5, 2023
by
01 SolarYellow
J
3UZ W58 P1780 Code Park/Neutral Switch
jza67
Jul 23, 2023
0
477
Jul 23, 2023
by
jza67
S
AFC and Throttle position question
stickninja
Feb 6, 2002
2
3
54
3K
Jul 13, 2023
by
Midwestmechanic
1
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Go Fast Stuff
233.9K
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The basic ways to make your IS go faster. All the bolt-ons from free flow air filters to headers, midpipes and exhausts.
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