ISR exhaust?
Just bought the ISR Y-Pipe and gonna buy the ISR Single exit GT Muffler soon. Anyone running this setup? Thoughts? Im currently straight piped so im switching up my exhaust to try to gain some more power after a tune.
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Double Layer Tints (5% on top of 15%), Muffler/Resonator Delete, Z1 Long Tube Intakes, Z1 Aluminum Undershroud, H&R Lowering Springs
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