Subaru Forester Owners Forum banner

Engine and Exhaust

Start Discussion

FB20D - e-Boxer Hybrid (2019+)

Technical discussion of the new 2019+ 2.0L e-Boxer Hybrid
8
650
8
650

FB25DI - 2.5L Non-Turbo Direct Injection (2019+)

Technical discussion of the new 2019+ 2.5L Direction Injection naturally aspirated (N/A) powerplant, bolt-on power adders, exhaust options, etc.
1K
256K
1K
256K

FB25 - 2.5L Non-Turbo (2011- 2018)

Technical discussion of the 2011 - 2018 2.5L naturally aspirated (N/A) powerplant, bolt-on power adders, exhaust options, etc.
16.8K
6M
16.8K
6M

FA20DIT - 2.0L Direct-Injection/Turbo (2014-2018)

Technical discussion of the 2.0L direct-injected/turbocharged engine and any engine and exhaust-related modifications.
14.4K
5M
14.4K
5M

EJ25 - 2.5L Non-Turbo (1998-2010)

Technical discussion of the 2.5L naturally aspirated (N/A) powerplant, bolt-on power adders, exhaust options, etc.
45.3K
20.8M
45.3K
20.8M

EJ25 - 2.5L Turbocharged (2004-2013)

Technical discussion of the 2.5L turbocharged engine and any engine and exhaust-related modifications.
78.2K
21.8M
78.2K
21.8M

EJ20 - 2.0L Non-Turbo

Technical discussion of the 2.0L naturally aspirated (N/A) powerplant, bolt-on power adders, exhaust options, etc.
1.3K
754K
1.3K
754K

EJ20 - 2.0L Turbocharged

Technical discussion of the 2.0L turbocharged engine and any engine and exhaust-related modifications.
4.2K
1.9M
4.2K
1.9M

EE20 - 2.0L Diesel

Technical discussion of the 2.0L boxer diesel engine and any engine and exhaust-related modifications.
3.8K
2M
3.8K
2M

FB20 - 2.0L Non-Turbo (2011+ Euro-spec)

Technical discussion of the new 2011+ Euro-spec 2.0L naturally aspirated (N/A) powerplant, bolt-on power adders, exhaust options, etc.
39
55.9K
39
55.9K

Auto Stop / Start

Discussions around this latest feature
840
245K
840
245K

Cooling Systems

Technical discussions relating to cooling systems of all models.
3.1K
826K
3.1K
826K

Motor Conversions

Technical discussion on engine conversions or swaps.
5.3K
3M
5.3K
3M
pleiad7
(All Years) Sticky The "best" motor oils - independently tested and ranked by wear protection
15
6K
 by Lee johnson
bbottomley
(All Years) Sticky The Official Timing Chain Thread
11
15K
 by Surfrat
bbottomley
(All Years) Sticky The Official Timing Belt Thread
2
355
 by bbottomley
D
Sticky Synthetic Motor Oil Discussion
12 13 14
277
145K
 by Rodders is a Subie fan
bbottomley
Sticky Ongoing polls regarding head gasket problems
2 3
48
128K
 by gibo
flstffxe
(All Years) Sticky Subaru oil filter comparison
2
36
171K
 by flstffxe
pleiad7
Sticky Please post in the correct engine subforums!
1
8K
 by pleiad7
U
('01-'02) What aftermarket exhaust is compatible with 2002 Foresters?
0
37
 by ultan04
tredsdert
('19+) 2020 - Hanger size 12mm or 15mm?
0
128
 by tredsdert
S
('19+) 2020 - Catback Benefit?
4
427
 by Natedog
SmokinJoe814
('09-'13) 2009 - Muffler change - what size hardware will I need?
2
165
 by OutbackJon
Killer7even86
('14-'18) 2018 - Nameless Catback issue resolved!
0
139
 by Killer7even86
Fo'sizzle
New to the forum; seeking best exhaust mods?
3
244
 by Fo'sizzle
A
('14-'18) 2018 - Stock wrx midpipe a direct bolt on?
4
370
 by aj686c
Y
('06-'08) 2007 - Axle back or cat back exhaust options?
1
460
 by Dustinps
Smart_Forester
('09-'13) 2009 - Help finding this sensor (picture)?
–
–
N/A
matchamilk
('03-'05) Opinions on N/A SG exhaust build?
0
139
 by matchamilk
R
('03-'05) 2005 - Catalytic converter Heat shield? - SOLVED!
1
249
 by Rone66
B
(All Years) Catalytic converter anti-theft device? (merged thread)
6
838
 by FelineFreddie
beans
('01-'02) 2001 - AT and MT engines the same or different - are the other parts interchangeable?
4
284
 by Kevin
S
('14-'18) 2015 - Do non xt have duel exhaust?
4
2K
 by Beluga
R
('09-'13) 2012 - Last model year nonturbo with dual exhaust?
1
247
 by DragonSubie7
16ForesterMA
('14-'18) 2016 - Nameless 5" muffler, looking to delete the midpipe muffler - anyone here done this?
2
273
 by OutbackJon
NEForester003
('01-'02) 2001 - My rumble journey!
0
249
 by NEForester003
Bod
(All Years) How to Idle Re-Learn after Battery Disconnect
3 4 5
84
475K
 by 1.618
JardonNardon
('03-'05) 2004 - Will axel back on N/A mess with back pressure?
11
577
 by tcsubie24
P
('06-'08) FXT catback on FXS ?
0
191
 by prestechno
Wiremu Ngauma
('06-'08) 2009 - Changing forester xt plugs?
5
375
 by Syphers47
P
('14-'18) 2016 - Non droning exhaust?
5
357
 by PMC highlander
S
('09-'13) 2010 - Cat-Back Exhaust Interchange?
3
385
 by Syphers47
S
('09-'13) 2010 - Are the XT and X resonator-back exhaust the same?
0
233
 by SHOBrad
Gen2forester
Help Identify this Subaru motor?
1
313
 by 08subfor
Franky06
('06-'08) 2006 - 2.5 xte turbo mk2 - looking for an aftermarket exhaust?
5
404
 by TMX
Wiremu Ngauma
('06-'08) 2008 - Exhaust heat wraping?
7
721
 by Mr.AC
Renicabro
('06-'08) Will a 2.0XT turbo-back fit 2.5XT?
0
274
 by Renicabro
SCOOBYROO
('09-'13) 2009 - Stock auto exhaust different to manual?
0
311
 by SCOOBYROO
F
('03-'05) 2003 - Interchangeable parts?
4
382
 by forest_kid
S. Ubaru
('01-'02) 2002 - Air filter box 3x hoses SF5 non-turbo?
5
403
 by S. Ubaru
0
('01-'02) 2002 - NonTurbo - looking for an affordable catback exhaust system?
0
369
 by 02RedFozzy
jrtcs
('03-'05) 2003 - Exhaust Tip - replacement with the proper factory look?
3
359
 by jrtcs
Hankaroo
('03-'05) 2005 - front cat sensor came out - weld back in? - SOLVED!
3
416
 by 2.5x_sleeper
flstffxe
(All Years) Oil filter discussion/Tokyo Roki replacement
12 13 14
266
145K
 by Kevin
Engine and Exhaust Discussion of engine and exhaust-related topics - stock and aftermarket. <br> Turbo, N/A, and diesel subforums inside.
180.5K posts
67.2M views
Join Community

Forum Staff

View All
HeyChris
B
Scooby24

Top Contributors this Month

View All
OutbackJon
beans
A
Top