SLN Performance

SLN Performance downpipes and stainless-steel exhaust components engineered for maximum flow and durability.

Shop Related Upgrades

Downpipes | Midpipes | Charge Pipes | Intercoolers

FAQs
What makes SLN Performance downpipes different?

SLN uses high-quality stainless steel and precise welds for maximum flow and durability.

Are SLN products plug-and-play?

Yes — they fit OEM and most aftermarket exhaust systems.

Do I need tuning with SLN downpipes?

Yes — tuning is recommended for decat and high-flow downpipes.

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16 products

SLN BMW S55 M2C M3 M4 Sports Cat downpipes CERAMIC COATED
SLN Performance
SLN BMW S55 M2C M3 M4 Sports Cat downpipes CERAMIC COATED Sale price£675.00
Save £20.00
SLN BMW B58 Super 5” Decat Downpipe CERAMIC COATED
SLN Performance
SLN BMW B58 Super 5” Decat Downpipe CERAMIC COATED Sale price£320.00 Regular price£340.00
SLN BMW S55 M3 M4 Equal Length Mid Pipe with Under-Brace
SLN Performance
SLN BMW S55 M3 M4 Equal Length Mid Pipe with Under-Brace Sale price£875.00
SLN BMW S55 M2C M3 M4 Decat downpipes CERAMIC COATED
SLN Performance
SLN BMW S55 M2C M3 M4 Decat downpipes CERAMIC COATED Sale price£475.00
SLN BMW S58 M2 G87 Stainless Steel Single Mid Pipe with Under-Brace
SLN Performance
SLN BMW S58 M2 G87 Stainless Steel Single Mid Pipe with Under-Brace Sale price£675.00
SLN BMW S55 M2C Equal Length Mid Pipe with Under-Brace
SLN Performance
SLN BMW S55 M2C Equal Length Mid Pipe with Under-Brace Sale price£875.00
B58 Stage 2 Package
Track Warrior Mods
B58 Stage 2 Package Sale priceFrom £669.00
S55 Stage 2 Package
Track Warrior Mods
S55 Stage 2 Package Sale priceFrom £839.00
SLN BMW B58 OPF Ceramic Coated Sports Cat Downpipe M240i M340i M440i 540i 640i
SLN Performance
SLN BMW B58 OPF Ceramic Coated Sports Cat Downpipe M240i M340i M440i 540i 640i Sale price£475.00
SLN BMW B58 OPF Ceramic Coated Decat Downpipe M240i M340i M440i 540i 640i 840i
SLN Performance
SLN BMW B58 OPF Ceramic Coated Decat Downpipe M240i M340i M440i 540i 640i 840i Sale price£300.00
SLN BMW B58 Super 5” 200 CEL Sports Cat Downpipe CERAMIC COATED
SLN Performance
SLN BMW B58 Super 5” 200 CEL Sports Cat Downpipe CERAMIC COATED Sale price£475.00
SLN BMW S58 M2 G87 M3 G80 M4 G82 M2 G87 Front Mount Intake (Red filters available)
SLN Performance
SLN BMW S58 M2 G87 M3 G80 M4 G82 M2 G87 Front Mount Intake (Red filters available) Sale price£555.00
SLN BMW S58 X3M X4M Pre LCI Non-Resonated Single Mid Pipe
SLN Performance
SLN BMW S58 X3M X4M Pre LCI Non-Resonated Single Mid Pipe Sale price£875.00
SLN BMW S58 M3 G80 M4 G82 X3M X4M LCI Non-Resonated Stainless Steel Single Mid Pipe with Under-Brace
SLN Performance
SLN BMW S58 M3 G80 M4 G82 X3M X4M LCI Non-Resonated Stainless Steel Single Mid Pipe with Under-Brace Sale price£875.00
SLN BMW S58 M2 G87 M3 G80 M4 G82 X3M X4M LCI Decat Downpipe CERAMIC COATED
SLN Performance
SLN BMW S58 M2 G87 M3 G80 M4 G82 X3M X4M LCI Decat Downpipe CERAMIC COATED Sale price£575.00
SLN BMW S58 M2 G87 M3 G80 M4 G82 X3M X4M LCI Sports Cat Downpipe CERAMIC COATED
SLN Performance
SLN BMW S58 M2 G87 M3 G80 M4 G82 X3M X4M LCI Sports Cat Downpipe CERAMIC COATED Sale price£730.00
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