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Old 11-01-2012, 07:07 PM   #84 (permalink)
viio
EcoModding Apprentice
 
Join Date: Dec 2008
Location: Scotland
Posts: 102

Project EconoPolo - '04 Volkswagen Polo Twist TDi
90 day: 48.23 mpg (US)
Thanks: 14
Thanked 61 Times in 24 Posts
I've now performed a mufflerectomy on the car to free up some exhaust flow and also save a bit of weight. I've welded a straight steel pipe on instead of the restrictive rear exhaust silencer. It's a bit noisier, but combined with the remap I'm doing it will help keep exhaust temperatures down. Here's a video of how it sounds:

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Viio
Amateur SolidWorks Flow Simulator

Link to my Project EconoPolo (aeromodding a VW)
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Vekke (11-03-2012)