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      08-10-2020, 10:49 PM   #32
13M5F10
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Drives: 2013 BMW M5 | MSR Stage 3
Join Date: Jun 2015
Location: Las Colinas, TX

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Quote:
Originally Posted by jstewart View Post
I am actually thinking seriously about the cat delete down pipes now. When I asked about the DME tune I was told that the stage two HP & TQ numbers were with a cat delete down pipe so I am wondering what tuning changes are in the stage 2. My information is that the down pipe alone is worth 25 to 30 HP. I know it is a disease I have had for over 50 years.
Someone on Facebook is doing the downpipes and stage 2

Keep in mind, I addition to downpipes, you'll want to change the plugs and gap them. I'm sure Mo will agree. I personally why would love downpipes, I didn't want to max out my turbos a bad push reliability. It's too tempting. Plus emission challenges.
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*** SOLD *** 2013 BMW M5 | Space Grey | MSR Stage 3 Tune | Catless Downpipes | MSR Intake and Charge Pipes | MSR Exhaust (Prototype) | Vorsteiner Rear Diffuser | RW Carbon Front Lip | RW Carbon Trunk Spoiler| Vorsteiner VS-310 Forged Wheels | Escort 9500CI w/Laser Jammers
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