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Cat or Muffler delete ?
Exhaust smell with the cat delete do's the exhaust smell change at all?- Toy 1 Ton
- Post #11
- Forum: 6.0L PowerStroke Power & Performance
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Power increase with MBRP exhaust
dbfmh,h,- Toy 1 Ton
- Post #11
- Forum: 6.0L PowerStroke Power & Performance
