Quote:
Originally Posted by Matt
- What are the those smaller mufflers extensions for? A few forum members offered explanations in another thread, but nothing concrete? Increased low-end torque? Decreased volume in exhaust? Only in use for FI systems?
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In for an answer from the OP. 
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SOLD MY Z MARCH 2018 - another Core OG moves on - new ride 2019 Z Corvette Grand Sport - no mods necessary but already have eyes on HFC and intakes LOL IT NEVER ENDS.
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