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Catalytic converters clogged

Help, Advice, Owners' Discussion and DIY Tutorials devoted to the second generation C70, S40 and V50 Volvos -- awkwardly model year 2004 ½ onwards -- plus where to go for advice and discussion on Volvo's sporty C30 Coupe powered by Volvo's ubiquitous inline 5-cylinder power plant.
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ZenkiDavid
Posts: 2
Joined: 13 February 2019
Year and Model: 2006 Volvo V50 T5awd
Location: Lugoff, South Carolina

Catalytic converters clogged

Post by ZenkiDavid »

Hey I’m new to these forms! I have a 2006 Volvo V50 T5 Awd wagon and I have a muffler and resonator delete on the car. If I pat the gas around 2500 rpms the car wants to pop off and kind of back fire. Considering I have the cat, the car turns red and starts smelling :lol: I think it’s time for me to cut the thing off. The thing holding me back from doing this is I don’t know much about the t5 or Volvo’s really. I didn’t know if it would require a tune and make the car run bad. Please let me know as soon as possible. Thanks a lot
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Rattnalle
Posts: 1674
Joined: 1 September 2017
Year and Model: 2004 V70 2.5T
Location: Sweden
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Post by Rattnalle »

It'll only run in limp mode without it. Plus it's a really had deal for anything living nearby. Removing the mufflers shouldn't impact the cat though.
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ZenkiDavid
Posts: 2
Joined: 13 February 2019
Year and Model: 2006 Volvo V50 T5awd
Location: Lugoff, South Carolina

Post by ZenkiDavid »

So do I just need to buy a downpipe as a replacement?
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