STM Exhaust Parts
STM exhaust parts and exhaust systems are hand-fabricated in house with a lifetime warranty to the original purchaser. Our team treats each individual piece as a work of art.
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STM 1G FWD/2G DSM O2 Housing Atmosphere Dump
$299.00
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STM 1G FWD/2G DSM O2 Housing Atmosphere Dump for TiAL MVS
$394.00 +
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STM 1G/2G DSM O2 Housing Recirculated
$379.00
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STM 1G/2G DSM O2 Housing Recirculated with 38mm TiAL MVS
$724.00
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STM 2G AWD DSM Stainless Cat-Back Exhaust
$799.00
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STM 2G AWD DSM Stainless Turbo-Back Exhaust
$999.00 +
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STM 2G DSM AWD Downpipe for STM O2 Housing
$349.00
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STM 2G DSM AWD Downpipe for Stock O2 Housing
$349.00
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STM 2G DSM Stainless Steel High Flow Cat
$279.00
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STM 370Z Axle-Back Exhaust
$349.00
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STM Audi RS3 Exhaust Turn Down
$189.00
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STM Audi RS3 Mid Pipe Graphite Gaskets
$12.00 +
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STM Audi RS3 Titanium Single Exit Turbo-Back Exhaust
$3,500.00 +
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STM Audi RS3/TTRS Downpipe
$1,249.00
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STM Axle-Back Exhaust for 2022 WRX
$449.00
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STM Evo 7/8/9 Downpipe O2 Atmosphere Dump for FP SS Housing
$699.00 +
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STM Evo 7/8/9 Downpipe O2 Recirculated for FP SS Housing
$849.00 +
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STM Evo 7/8/9 GESi EPA Stainless High Flow Cat
$749.00
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STM Evo 7/8/9 O2 Downpipe Recirculated for OEM-Style Housing
$749.00
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STM Evo 7/8/9 O2 Downpipe with Atmosphere Dump for OEM-Style Housing
$649.00
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STM Evo 7/8/9 Stainless Steel Cat-Back Exhaust
$799.00
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STM Evo 7/8/9 Titanium Cat-Back Exhaust
$1,649.00 +
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STM Evo 7/8/9 Titanium V-Band 3.5in Exhaust for FF 6870 Turbo Kit
$2,499.00 +
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STM Evo X GESi EPA Stainless High Flow Cat
$849.00
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STM Evo X O2 Housing Downpipe with Atmosphere Dump
$749.00
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STM Evo X Recirculated O2 Housing Downpipe
$695.00
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STM Evo X Stainless Cat-Back Dual Exit Exhaust
$999.00
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STM Evo X Stainless Cat-Back Exhaust
$799.00
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STM Evo X Titanium Single Exit Cat-Back Exhaust
$1,649.00 +
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STM Lamborghini Huracan Titanium Exhaust
$8,900.00
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STM Lamborghini Huracán Titanium Exhaust Tips
$1,499.00 +
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STM Mid Pipes for Audi RS3/TTRS
$269.00
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STM MKV 2020+ Supra Exhaust Turn Down
$179.00
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STM R35 GTR Catted Downpipes
$1,299.00 +
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STM R35 GTR Stainless Race Y-Pipe (Not for Street Use)
$799.00
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STM R35 GTR Stainless Y Pipe with Muffler (Not for Street Use)
$999.00
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STM Stainless Axle-Back Exhaust for 2006-2013 Lexus IS250/IS350
$849.00
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STM Stainless Cat-Back Exhaust for 2015+ Jeep Grand Cherokee SRT
$1,995.00
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STM Stainless Cat-Back Exhaust for 2018+Jeep Trackhawk
$1,995.00
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STM Stainless Exhaust for 2017-2019 Audi R8
$4,495.00
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STM WRX/STi 2015-2020 Axle-Back to Cat-Back Upgrade
$720.00
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STM WRX/STi 2015-2020 Cat-Back Exhaust
$999.00
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STM WRX/STi 2015-2021 Axle-Back Exhaust
$449.00
