Exhaust Discussion

Sticky Mother of all sound reducing threads

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50K

13 days ago

by g0dzilla

Sticky The "What Exhaust Should I Get?" Discussion

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681

142K

11 months ago

by cyrus_gremlins

Sticky Epic Mother of all cat-back exhaust thread-Need everyone's input

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512

202K

May 4, 2018

by empty pockets

Sticky All Available Exhausts for k20 & r18

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187

100K

Jan 22, 2015

by Ddamienzz

Sticky ***Official Exhaust Thread: Vids/Pics & Sound clips***

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104K

Oct 22, 2007

by Skyline4life

Just bought a 8th gen si coupe. All Stock!! Any suggestions for immediate changes/bolt ons?

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103

1 day ago

by ChristopherK

Best Exhaust for FG2?

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183

9 days ago

by Isaac MacNeill

2.5", 2.75" or 3" for my N/A build?

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824

4 months ago

by cyrus_gremlins

2006 Hybrid catalytic converter sources (California - CARB compliant)

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176

5 months ago

by MarkSterling

R18 muffler delete isn't loud enough, what now?

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2K

5 months ago

by mandm

Q300 exhaust from a 9th gen

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310

6 months ago

by cyrus_gremlins

Yay or Nay? Ebay Exhuast (Spec-D N1 Catback) on FG2

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2K

7 months ago

by FutureITR

R18 EGR delete, possible solutions to fix that CEL!

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567

8 months ago

by jnissen

Vibrant streetpower muffler + vibrant ultra quiet resonator

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525

9 months ago

by OMGOrangeSi

Help! R18 sedan exhaust install problem

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1K

9 months ago

by drespeed3

R18 EGR delete, possible solutions to fix that CEL!

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229

9 months ago

by issanasr

R18 EGR delete

10

13K

9 months ago

by issanasr

full exhaust dyno numbers with Flashpro?

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477

9 months ago

by glujan2001

2.5in exhaust loud?

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544

Dec 18, 2018

by Civicsi19

Looking for HFP sport axleback muffler

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495

Dec 18, 2018

by johnali

Greddy Supreme SP

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572

Oct 30, 2018

by cyrus_gremlins

Need to replace doughnut gasket?

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541

Oct 16, 2018

by deagz

Who still makes nice, bolt on cat backs for a 2007 Si coupe.

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695

Oct 9, 2018

by cyrus_gremlins

CA legal catalytic converter replacement help

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489

Sep 26, 2018

by Helgaiden

Please Help - Full Exhaust Needed

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590

Sep 18, 2018

by issanasr

megan racing downpipe?

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9K

Sep 18, 2018

by issanasr

Best-sounding exhaust system ( New to civic community )

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1K

Sep 18, 2018

by issanasr

EGR delete caused cel and limp mode | r18

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697

Sep 12, 2018

by issanasr

N1 Muffler vs N1 Catback - What's the Difference??

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494

Sep 7, 2018

by 1SIck_CIVIC

Fitting a Q300 Sedan Exhaust to a Coupe?

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471

Jul 25, 2018

by Brettm1983

Is anyone running the Invidia Q300 or has before?

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723

Jul 25, 2018

by Brettm1983

Whistling Noise from stock exhaust

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4K

Jul 23, 2018

by chibo

Loudest 3 inch exhaust?

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1K

Jul 14, 2018

by FreshFigi

06-2011 Si Stock Exhaust finisher

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444

Jul 14, 2018

by FreshFigi

Catalytic converter for invidia exhaust

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959

Jun 13, 2018

by OMGOrangeSi

Excelerate Performance: XLR8 Exhaust Clearance Sale!!!

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38

7K

May 19, 2018

by Eli82

Magnaflow Direct Fit Cat doesn't fit (06 Si)

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274

May 17, 2018

by wdeelen

06 civic SI, stock NA, 70mm or 76mm skunk2 - performance loss?

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587

May 16, 2018

by empty pockets

Yonaka Motorsports 2.5" cat-back REVIEW [AFTER INSTALL]

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12K

Apr 29, 2018

by ayeitsmikko

Tsudo, Invidia N1 , or Skunk 2 Megapower RR?

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598

Apr 5, 2018

by The Dark Elite

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