If you want to hear what they will sound like, remove your mufflers, start the car.
My Spec B sounds great with the mufflers removed and the deletes I had made years ago. The exhaust is still stock, turbo back.
I have posted sound clips on here.
219,000miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
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