Flowmaster Super 10 Muffler 409S - 3.00 Center In / 3.00 Center Out - Aggressive Sound U-Joint Stock to Mild Exterior Exhaust

Stock to Mild Exterior Exhaust Tone

1987-2008 Pontiac Grand Prix

18 in Rectangular Port

Jacobs Ladder

Flowmaster Super 10 Muffler 409S - 3.00 Center In / 3.00 Center Out - Aggressive Sound U-Joint Stock to Mild Exterior ExhaustSuper 10 Muffler 409S 3. 00 Center In 3. 00 Center Out Aggressive Sound Universal Race Muffler Not a direct fit. Some adaptation required. Super 10 Series 409S stainless steel, single chamber mufflers. Intended for customers who desire the loudest and most aggressive sound that they can find. Because these mufflers are so aggressive, they are recommended (Only) for off highway use and not for street driven vehicles. These mufflers utilize the same