Home / Exhaust Systems / G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-โ€ฆ
G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust - CSZ Muffler | Valved Catback & SUV Exhaust
โ˜…โ˜…โ˜…โ˜…โ˜…โ˜…โ˜…โ˜…โ˜…โ˜… 4.7from the original listing
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G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust - CSZ Muffler | Valved Catback & SUV Exhaust

$649 (1-7)
๐Ÿ’ก Supplier-direct price above. See how supplier prices compare to US retail โ†’
Minimum order
1 set
Sold
70 sold
Supplier
Jiangxi Chisuze Auto Parts Co., Ltd. (profile in Who Makes What โ€” evidence: FactoryPlug product database โ€” cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-22).)
Compatibility
Listed by supplier for: G01, G02 โ€” year, model, trim, engine and VIN still needed before ordering.
Shipping
Quoted by the supplier โ€” ask about DDP vs DAP and delivery time in writing before paying
Added
2026-09-17

This listing mentions: G01 ยท G02 โ€” confirm against your exact build.

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! Fitment check: Fitment is never guaranteed from a listing page. Always confirm fitment, year, model, trim, engine, and VIN directly with the supplier contact before you buy.
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Who manufactures this

The part matters โ€” but so does the factory behind it. Here's exactly who manufactures this component.

Jiangxi Chisuze Auto Parts Co., Ltd.

โ˜…โ˜…โ˜…โ˜…โ˜…โ˜…โ˜…โ˜…โ˜…โ˜… 4.7
Verification
Supplier rating 4.7/5 on Alibaba
Recorded sales
70 sold
Directory evidence
FactoryPlug product database โ€” cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-22).
โœ“ Why it made the catalog: this listing cleared our quality bar with a 4.7/5 supplier rating, 70 recorded sales, a profile in our Who Makes What directory (evidence: FactoryPlug product database โ€” cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-22).).
Full supplier profile โ†’

Supply-chain audit

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Minimum order quantity
1 set
Material spec
Contact supplier
Shipping terms
Contact supplier โ€” ask about DDP vs DAP before you commit
Seller type
Jiangxi Chisuze Auto Parts Co., Ltd. โ€” Unconfirmed (factory vs trading status unverified; directory evidence: FactoryPlug product database โ€” cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-22).)
Transaction history
70 sold

Also known as

Call it what you want โ€” it's the same part. Younger builders call these X3 M40i catback, B58 SUV catback and valved X4 exhaust. Old-school guys call them valvetronic cat-back exhaust system and performance muffler system.

Buying guides worth reading

About this part

Buyer confirms year/model/VIN with seller. Verification: search-snippet only โ€” URL, numeric ID, and price tiers visible in search results; detail page not directly fetched. Search it your way โ€” Younger builders call these X3 M40i catback, B58 SUV catback and valved X4 exhaust. Old-school guys call them valvetronic cat-back exhaust system and performance muffler system.

๐Ÿ”Œ Complete the Build

Pairs well with this part โ€” same chassis, no guessing.

More air in, more power out โ€” cooling to match

Going further? The turbo side of the build

G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust$649 (1-7)
Check Fitment →
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