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Welcome.
MadDad Whisper STi, for 08+ STi models.
Uncompromised sound quality. The most direct flow design available, and incredible sound refinement inside the vehicle cabin with no hint of drone at any rpm and at any engine load...all with no baid-aid resonators.
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MadDad Metal V2 Catted Downpipe
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MadDad "Shorty" 08+
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List Price: $629.95
Our Price: $579.95
You save $50.00!
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List Price: $259.95
Our Price: $239.95
You save $20.00!
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This MadDad origonal design using a high positioned metal substrate cat combined with a wastegate that goes catless around the cat is the MadDad cure for boost creep and they have been doing it for over 4 years with this proven setup
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A great alternative to more costly full length downpipe. The MadDad Shorty for 2008+ models gives you most of the performance for the dollar and allows flashing to Stage II with popular engine management and suitable catback
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