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APEXi N1 Evolution Mufflers

5.0 out of 5 stars 4 Customer Reviews

APEXi N1 Evolution mufflers combine all of the racing heritage and proven performance of the original N1 mufflers, but raise the ante with lighter weight and fully polished stainless steel material. These are the ultimate N1 exhaust components, constructed to deliver maximum power gains and resistance to rust and corrosion. Like the original N1s, Evolutions are built to facilitate greater exhaust flow. APEXi N1 Evolutions were created for those who are looking for something one step further than the classic N1 design. Order the fitment and options tailored for your vehicle application.

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Muffler, N1 Evolution, Round, 304 Stainless, Polished, 3.70 in. Center Inlet, 4.53 in. Center Outlet, 13.78 in. Case Length, Designed for Turbo, Each

Part Number: APX-156-A016

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Muffler, N1 Evolution, 2.500 in. Center, 2.500 in. Center Inlet, Stainless Steel, Natural, Universal, Each

Part Number: APX-156-A021

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Exhaust System, N1 Evolution, Cat-Back, Polished Stainless, Tip, Mazda, RX-7, Kit

Part Number: APX-161AZ002

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

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