Quote:
Originally Posted by BruceWayne1LE
Those speed engineering headers are getting a lot of attention for being budget headers. Curious the loudness difference between mbarp catback with catted long tubes vs non catted
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All I can tell you is I ran no muffler and then switched to the LTs with my NPP on and it is WAY louder.
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2018 1SS 1LE
Intake, P&P IM and TB, off road X pipe, 1 7/8 headers, 3inch pipes to npp, E85
BMR upper control arms, BMR trailing arms
12.0
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