3.5" Turbo Exhaust Downpipe for 2005-2010 Chevy GMC Duramax 6.6 LLY LBZ LMM
3.5" Turbo Exhaust Downpipe for 2005-2010 Chevy GMC Duramax 6.6 LLY LBZ LMM
3.5" Turbo Exhaust Downpipe for 2005-2010 Chevy GMC Duramax 6.6 LLY LBZ LMM
3.5" Turbo Exhaust Downpipe for 2005-2010 Chevy GMC Duramax 6.6 LLY LBZ LMM
3.5" Turbo Exhaust Downpipe for 2005-2010 Chevy GMC Duramax 6.6 LLY LBZ LMM

yes, i understand fitment will be tight

3.5" Turbo Exhaust Downpipe for 2005-2010 Chevy GMC Duramax 6.6 LLY LBZ LMM

Regular price£232.80
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  • Fitment

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    KBDP 3.5" Downpipe for a Duramax!

    • Eliminates the restrictive OEM factory flare joint
    • Quick release 3.5" V-band clamp
    • Removable 3.5" to 4" 90 degree exhaust adapter
    • CNC Mandrel Bent from 409 stainless steel 3.5" tube
    • Removes all restrictions found in the crushed original equipment design
    • Heat wrap included
    • LLY, LBZ and LMM engines require a drivers side transmission dipstick tube.

    Fits: 2005-2010 Chevy GMC Duramax 6.6 LLY LBZ & LMM engines
    *Note: Fitment is extremely tight with a 3.5" downpipe.

    Worn engine mounts may cause enough flexing for rubbing when accelerating. We will not respond to angry fitment emails if you choose to stuff a 3.5" downpipe on your stock daily driver.