Home / Exhaust Systems / COC Valvetronic Catback Exhaust Muffler for BMW …
COC Valvetronic Catback Exhaust Muffler for BMW M240i M440i M340i M340 G20 G22 G26 G42 Stainless Steel Valved Exhaust Pipe
☆☆☆☆☆★★★★★ 4.8from the original listing

COC Valvetronic Catback Exhaust Muffler for BMW M240i M440i M340i M340 G20 G22 G26 G42 Stainless Steel Valved Exhaust Pipe

$559–649
Verification snapshot
✓ Fitment listed for:G20, G22, G26, G42 — confirm year/trim/VIN before ordering
✓ Supplier:Supplier rating 4.8/5 on Alibaba
MOQ:1 set
💡 Supplier-direct price above. See how supplier prices compare to US retail →
Minimum order
1 set
Supplier
Jiangxi Boska Trading Co., Ltd., 6 yrs, Ganzhou CN, 4.8/5, Intertek (profile in Who Makes What — evidence: FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-18, 2026-09-19, 2026-09-22).)
Compatibility
Listed by supplier for: G20, G22, G26, G42 — year, model, trim, engine and VIN still needed before ordering.
Shipping
Quoted by the supplier — ask about DDP vs DAP and delivery time in writing before paying
Added
2026-09-22

This listing mentions: G20 · G22 · G26 · G42 — confirm against your exact build.

Get Supplier Price on Alibaba →

As an affiliate, we may earn a commission when you buy through links on this site, at no extra cost to you. Full disclosure

Want a better price? Ask the supplier whether a better price is available and mention @royblinge90 sent you.
Got questions? DM me on Instagram @royblinge90 — I answer fast, and I'll make sure you get the right part.
! 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.
✓ Real listing photos — never placeholders✓ Profile on file — supplier rating checked✓ No checkout here — you buy direct from the supplier

Who manufactures this

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

Jiangxi Boska Trading Co., Ltd., 6 yrs, Ganzhou CN, 4.8/5, Intertek

☆☆☆☆☆★★★★★ 4.8
Verification
Supplier rating 4.8/5 on Alibaba
Directory evidence
FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-18, 2026-09-19, 2026-09-22).
✓ Why it made the catalog: this listing cleared our quality bar with a 4.8/5 supplier rating, a profile in our Who Makes What directory (evidence: FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-18, 2026-09-19, 2026-09-22).).
Full supplier profile →

Supply-chain audit

FactoryPlug is a supply-chain intelligence directory, not a store. We hold no inventory and process no checkouts — this record exists so you can see the real terms before you contact the supplier yourself.

Minimum order quantity
1 set
Material spec
Contact supplier
Shipping terms
Contact supplier — ask about DDP vs DAP before you commit
Seller type
Jiangxi Boska Trading Co., Ltd., 6 yrs, Ganzhou CN, 4.8/5, Intertek — Unconfirmed (factory vs trading status unverified; directory evidence: FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-18, 2026-09-19, 2026-09-22).)
Transaction history
Contact supplier

Buying guides worth reading

About this part

COC Valvetronic Catback Exhaust Muffler for BMW M240i M440i M340i M340 G20 G22 G26 G42 SS304 Stainless Steel V. Price $649 (1-4 sets), $609 (5-9), $559 (10+) / set; #2 in Exhaust Pipes. MOQ 1 set. Supplier: Jiangxi Boska Trading Co., Ltd., 6 yrs, Ganzhou CN, 4.8/5, Intertek verified. Buyer confirms fitment (year/model/VIN) with the seller before paying.

You may also need

More Exhaust Systems →

🔌 Complete the Build

Pairs well with this part — same chassis, no guessing.

Grabbed the exhaust? These intakes wake it up 🔌

More air in, more power out — cooling to match

Going further? The turbo side of the build

COC Valvetronic Catback Exhaust Muffler for BMW M240i M440i $559–649
Check Fitment →
This sourcing info is free — support it: follow @royblinge90 on Instagram and subscribe to Piston Play on YouTube. Every factory link in one locker: Parts Plug Vault.