BRExhaust Direct-Fit Premium Pipe, 740-813
In stock
$152.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Lexus RX 300 Exhaust Systems
40 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2003 Lexus RX 300 parts
Walker Ultra EPA Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID), 93237
In stock
$249.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID), 93271
In stock
$261.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Universal Catalytic Converter - 2" Inlet (ID) 2" Outlet (ID), 93270
In stock
$358.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 444005
In stock
$404.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID), 81652
In stock
$423.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93259
In stock
$448.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49506
In stock
$471.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Semi-Direct Fit Catalytic Converter, 93268
In stock
$514.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Semi-Direct Fit Catalytic Converter, 51318
In stock
$539.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 441006
In stock
$548.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 93260
In stock
$557.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter 2.25" Outlet (OD), 16121
In stock
$566.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49507
In stock
$585.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 11.875 IN, 16191
In stock
$586.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 21.250 IN, 40236
In stock
$699.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.