MagnaFlow 16655 Cat Back Exhaust for HHR

MagnaFlow 16655 Cat Back Exhaust for HHR

Item Code: HH5001


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Product Description

MagnaFlow Performance mufflers are 100% polished stainless steel and lap-joint welded for solid construction and rugged reliability even in the most extreme conditions. They feature a free-flowing, straight-through perforated stainless steel core, stainless mesh wrap and acoustical fiber fill to deliver that smooth, deep tone. Mufflers are packed tight with this acoustical material unlike some others' products to ensure long life and no sound degradation over time. Backed by a Lifetime Warranty.


  • 2.5" Stainless Steel tubing
  • 4" Straight Polished Stainless Steel Exhaust Tips
  • Approximate gains of 7 HP and 8 lb-ft of torque (2.4L)


  • 2006-2011 Chevrolet HHR (2.2L / 2.4L)

Installation Difficulty

Installation Difficulty 3 View Installation Instructions


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