DIESELR Downpipe Back Exhaust - Single (2007.5-2010 GM 2500/3500 6.6L Duramax LMM)Why This Downpipe Back Exhaust Is Built for the LMM Duramax The factory exhaust system on your 2007. 52010 LMM Duramax is robbing your truck of airflow and holding back serious power. The DIESELR LMM Duramax Downpipe Back Exhaust replaces restrictive stock piping with a mandrel bent, heavy duty system designed for lower EGTs, increased power, and an aggressive tone that says you mean business. Built to Perform. Built to Last. T409 Stainless Steel:
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DIESELR Downpipe Back Exhaust - Single (2007.5-2010 GM 2500/3500 6.6L Duramax LMM)