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- - o2 extensions (https://www.performancetrucks.net/forums/gm-engine-exhaust-performance-21/o2-extensions-500575/)

Awwsheet4.8

Apr 18, 2012 11:51 AM

o2 extensions

I got some lpp longtubes and I was wondering if I needed front o2 extensions. That's the only thing stopping me from putting them on. Thanks guys

usafws6

Apr 18, 2012 12:02 PM

If the trucks are anything like fbodys then yes you will. Id guess 16" extensions willdo.

Atomic

Apr 18, 2012 12:17 PM

Not at all, there is plenty of slack in the lines.

AudioPh1x

Apr 18, 2012 12:47 PM

Nah you only need them if you plan on using the back 2 O2's. The front 2 are long enough

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