What's the diameter of our stock pipes leading into to the mufflers?
2.5 inch I believe
Originally Posted by SA RS6 2.5 inch I believe What he said
Avus Silver RS6 - Viper Stage 2 ECU/TCU - Water/Meth Injection - Frozen Rotors - Hbars - clear corners - Hella smoked tails - gutted precats
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