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This two chamber design incorporates Flowmaster’s Delta Flow® technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
40 Delta Flow® Stainless Steel – 2.50 Offset In / 2.50 Offset Out – Aggressive Sound
2.5 IN(O)/OUT(O) DELTA 40 409S
MUFF 2.50IN
Universal Muffler – Some adaptation may be required.
| Brand |
Flowmaster |
|---|---|
| Part Number (MPN) |
842543 |
| SKU |
842543 |
| UPC / GTIN |
700042018390 / 00700042018390 |
| Condition |
New |
| Disclaimer |
Yes |
| Body Height |
4.00 |
| Body Length |
13.00 |
| Body Material |
409 Stainless Steel |
| Body Width |
9.75 |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| Category |
Exhaust |
| Clamps Included |
No |
| Emission Code |
5 |
| Exhaust Tip Quantity |
0 |
| Finish |
High-Temperature Paint |
| Fitment |
Universal |
| Grade Type |
Performance |
| Hanger Included |
No |
| Heat Shield Attached |
No |
| Inlet Connection |
Slip-Fit |
| Inlet Diameter |
2.50 |
| Inlet Inside Diameter |
2.50 |
| Inlet Location |
Offset |
| Inlet Outside Diameter |
2.63 |
| Inlet Quantity |
1 |
| Inlet Type |
Weld-On |
| Mount Type |
Uses New Hangers (Not Included) |
| Muffler Series |
40 Series Delta Flow |
| Muffler Type |
Chambered |
| Outlet Connection |
Slip-Fit |
| Outlet Inside Diameter |
2.50 |
| Outlet Location |
Offset |
| Outlet Outside Diameter |
2.63 |
| Outlet Quantity |
1 |
| Overall Length |
19.00 |
| part type |
Exhaust Muffler |
| Product Type |
Street Mufflers |
| Reversible |
No |
| Shape |
Oval |
| Sound Level |
Aggressive |
| Sub Category |
Mufflers |
| Tunable |
No |
| Vehicle Type |
4/6 CYL Engine |
| Warning |
California Proposition 65 |
| Year |
1985 |
| Make |
Buick |
| Model |
Regal |
| Body & Trim |
Base |
| Engine & Transmission |
3.8L V6 – Gas |
Vehicle Fitment
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_2.25_Outlet_(OD)_-_Walker_Exhaust_(21383)_1.webp)
