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Exhaust mod?

Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. In this forum you'll find S40/V40-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos.

1996 - 2004 S40
1996 - 2004 V40
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Toptech08
Posts: 2
Joined: 25 August 2019
Year and Model: 2004 v40 LSE
Location: Florida

Exhaust mod?

Post by Toptech08 »

I have a 2004 v40 1.9t. I’m considering replacing my flex pipe with a 2.5 inch and deleting my 2nd cat and 1st muffler. Will I actually gain anything from this or is it a waste of time? My ECU is tuned by upsolute.
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