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JBA Evol Exhaust System
Hi Northface. I noticed on your EXT setup that you installed a Flowmaster 70 Series Muffler for your TB. I was wondering what gain in hp & performance you got after installing it & if you took out the resonator as well? Since your engine is a 5.3 V8 are there other exhaust system options out there?
After doing some research, I found that JBA Evol Exhaust System #50-3027 will fit my 04 TB EXT 4.2L 4WD but it's backordered from the manufacturer so it'll be awhile before it gets shipped. Once I get it installed, I'll post the progress.
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