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1 5/8" primary, 3.0" outlet-2 1/2" collector with reverse cone to 3" OD outlet. 304 s/s construction, tig wel
Part Number: STW-MC4163-300
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Estimated Ship Date: Today
Estimated Ship Date: Today
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Muffler, Super 44 Series, 2 1/2 in. Inlet/2.25 in. Outlet, Steel, Black, Each
Part Number: FLO-9425452
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Headers, Long Tube, Steel, Painted, Ford, Mercury, Car, Small Block, Pair
Part Number: BIG-12100FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
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Headers, Super Competition, Block Hugger, Steel, Painted, Chevy, Small Block, LS1, Pair
Part Number: HOK-2312HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Muffler, Premium Sound Absorption, 3 in Center Inlet/3 in. Center Outlet, Stainless Steel, Brushed, Universal, Each
Part Number: AXR-MUH0013
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Estimated Ship Date: Dec 19, 2025 if ordered today
Estimated Ship Date: Dec 19, 2025 if ordered today
This product may not be eligible for select promotional offers
Muffler, Premium Sound Absorption, 2.75 in. Dual Inlets/2.75 in. Dual Outlets, Stainless Steel, Brushed, Universal, Each
Part Number: AXR-MUH0011
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Estimated Ship Date: Dec 19, 2025 if ordered today
Estimated Ship Date: Dec 19, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Hemi 5.7L/6.1L/6.4L, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFJP61175
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Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.625 in. Primaries, Pair
Part Number: STW-HFSBF1
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Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Muffler, Atlas, Perforated Core, 5.00 in. Inlet/Outlet. 24.000 in. Body Length, Universal, Each
Part Number: AFE-49M00023
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Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
Muffler, Mach Force-Xp, Straight-through Core, Stainless Steel, 5.000 in. Outlet, 5.000 in. Inlet, 30.000 in. Length, Universal, Each
Part Number: AFE-49-91012
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Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LS1/LS6, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFLS1175
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
2011+ Camaro V8 Conv Kit. This kit is avaito adapt the clearance around the conv frame bracing to allow for t
Part Number: STW-CA11CONVKIT
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
This product may not be eligible for select promotional offers
Muffler, Delta Flow 50 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-9430502
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Mufflers, Oval, 2.5 in. Center Inlet, 3.00 in. Center Outlet, 304 Stainless Steel, Black, Straight-Through Perforated Core, Angled Tip, Each
Part Number: MIO-S2398
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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Headers, Upright, 1 1/2 in. Primary, 2.5 in. Collector, Stainless Steel, Natural, Ford, Mercury, 2.0L, 2.3L, Each
Part Number: BIG-12160FLT
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Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford, 4.6L, 2V, Fits 1.625 in. Primaries, Pair
Part Number: STW-HF462V163
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Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Small Block, Fits 1.625 in. Primaries, Pair
Part Number: STW-HFSBC1625
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
This product may not be eligible for select promotional offers
Muffler, Oval, Steel, Natural, 2.50 in. Side Inlet, 2.50 in. Center Outlet, Jeep, JK, Each
Part Number: CWA-5147215AD
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Muffler, Premium Sound Absorption, 2.5 in. Dual Inlets/2.5 in. Dual Outlets, Stainless Steel, Brushed, Universal, Each
Part Number: AXR-MUH0007
Not Yet Reviewed
Estimated Ship Date: Dec 19, 2025 if ordered today
Estimated Ship Date: Dec 19, 2025 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Ford Small Block, Fits 1.875 in. Primaries, Pair
Part Number: STW-HFSBF2188
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Big Block, Fits 1.75 in. Primaries, Pair
Part Number: STW-HFBBC175
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LT1/LT4, Fits 2 in. Primaries, Pair
Part Number: STW-HFLT1-200
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Need It Sooner? We recommend these similar substitute parts:
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy, LT5, Fits 2 in. Primaries, Pair
Part Number: STW-HFLT5
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
This product may not be eligible for select promotional offers
Muffler, Mach Force-Xp, Straight-through Core, Stainless Steel, 4.000 in. Outlet, 4.000 in. Inlet, 30.000 in. Length, Universal, Each
Part Number: AFE-49-91002
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
Mufflers, Oval, 3.00 in. Offset Inlet, 3.00 in. Center Outlet, 304 Stainless Steel, Brushed, Straight-Through Perforated Core, Each
Part Number: MIO-S2397
Not Yet Reviewed
Estimated Ship Date: Dec 19, 2025 if ordered today
Estimated Ship Date: Dec 19, 2025 if ordered today
This product may not be eligible for select promotional offers
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