exhaust query

[helay39]

i have a vt 5l which is running factory hsv twin cat dual into single exhasut but its not loud or deep enough for my liking im wonder replace the whole system or throw some extractors on???
will extractors make a big increase in exhaust note?

 

[ashtray1]

extractors won't really change the note. Try a twin 2.5" cat back system. Made a huge difference on my friends VX SS

 

[helay39]

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