KA 3" exhaust before/after dyno - Page 4 - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

***S14DB*** · 04-28-2006, 03:52 PM

Test pipe won't do much for you on the S14 cause the "cat" is hollow and the real cat is bolted below the manifold in the downpipe.

evil_tt · 04-28-2006, 04:35 PM

......interesting

I'm Redline · 05-12-2018, 08:02 AM

I just know that true 2.5", or 65mm if you will, OBX Racing header, Megan test pipe, OBX Racing Cat Back with true 2.5" flat oval dual exit muffler(non OBXR), pulls hard from just off idle to 7200rpm. It has a minor dip between 3800 and 4200, but really small. ACT 13# flywheel seems to help

mewantkouki · 05-12-2018, 07:27 PM

12 years later...

04-28-2006, 03:52 PM	#91
*S14DB* AFC #1 Join Date: Oct 2003 Location: 昨晩あなたのお母さんの家 Posts: 20,181 Trader Rating: (3) Feedback Score: 3 reviews	Test pipe won't do much for you on the S14 cause the "cat" is hollow and the real cat is bolted below the manifold in the downpipe. __________________ Comments should be taken as Opinions not as Statements of Fact

04-28-2006, 04:35 PM	#92
evil_tt BANNED Join Date: Feb 2006 Location: Cali Posts: 183 Trader Rating: (0) Feedback Score: 0 reviews	......interesting Last edited by evil_tt; 04-28-2006 at 05:13 PM..

05-12-2018, 08:02 AM	#93
I'm Redline Zilvia Addict Join Date: Mar 2012 Location: Upper Mid TN Posts: 954 Trader Rating: (0) Feedback Score: 0 reviews	I just know that true 2.5", or 65mm if you will, OBX Racing header, Megan test pipe, OBX Racing Cat Back with true 2.5" flat oval dual exit muffler(non OBXR), pulls hard from just off idle to 7200rpm. It has a minor dip between 3800 and 4200, but really small. ACT 13# flywheel seems to help __________________ 1996 Zenki 'Baraketsu Tenshi', Burst Angel My work in progress...

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05-12-2018, 07:27 PM	#94
mewantkouki Zilvia FREAK! Join Date: Nov 2007 Location: Orlando, Fl Age: 35 Posts: 1,221 Trader Rating: (36) Feedback Score: 36 reviews	12 years later...