mufflers

Flowmaster 942042 - 40 Series(TM) Delta Flow Muffler

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$99.95

$111.95

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  1. 2005 Dodge Neon SE 2.0L L4 cid:122 cc:1996
  2. 2005 Dodge Neon SXT 2.0L L4 cid:122 cc:1996
  3. 2004 Ford Thunderbird
  4. 2004 Dodge Neon R/T 2.0L L4 cid:122 cc:1996
  5. 2004 Dodge Neon SE 2.0L L4 cid:122 cc:1996
  6. 2004 Dodge Neon SXT 2.0L L4 cid:122 cc:1996
  7. 2003 Dodge Neon SXT 2.0L L4 cid:122 cc:1996
  8. 2003 Dodge Neon SE 2.0L L4 cid:122 cc:1996
  9. 2003 Dodge Neon R/T 2.0L L4 cid:122 cc:1996
  10. 2003 Ford Thunderbird
  11. 2002 Dodge Neon
  12. 2002 Ford Thunderbird
  13. 2001 Dodge Neon
  14. 2000 Jeep TJ Sport 4.0L L6 cid:242
  15. 2000 Jeep Wrangler Sport 4.0L L6 cid:242
  16. 2000 Jeep Wrangler SE 2.5L L4 cid:150
  17. 2000 Jeep TJ Sahara 4.0L L6 cid:242
  18. 2000 Dodge Neon
  19. 2000 Jeep TJ SE 2.5L L4 cid:150
  20. 2000 Jeep Wrangler Sahara 4.0L L6 cid:242
  21. 1999 Jeep TJ
  22. 1999 Jeep Wrangler
  23. 1998 Jeep Wrangler
  24. 1998 Jeep TJ
  25. 1997 Volkswagen Golf
  26. 1997 Jeep TJ
  27. 1997 Ford Thunderbird
  28. 1997 Jeep Wrangler
  29. 1996 Ford Probe SE 2.0L L4 cid:122 cc:1989
  30. 1996 Ford Thunderbird
  31. 1996 Volkswagen Golf
  32. 1996 Ford Probe Base 2.0L L4 cid:122 cc:1989
  33. 1996 Ford Escort Sport 1.9L L4 cid:116
  34. 1996 Ford Escort Base 1.9L L4 cid:116
  35. 1996 Ford Escort LX 1.9L L4 cid:116
  36. 1995 Ford Escort LX 1.9L L4 cid:116
  37. 1995 Volkswagen Jetta Base 1.8L L4 cid:109 cc:1788
  38. 1995 Volkswagen Jetta City 2.0L L4 cid:121 cc:1984
  39. 1995 Ford Thunderbird
  40. 1995 Jeep Wrangler
  41. 1995 Ford Probe Base 2.0L L4 cid:122 cc:1989
  42. 1995 Volkswagen Jetta GLX 2.8L V6 cc:2771
  43. 1995 Volkswagen Jetta GL 2.0L L4 cid:121 cc:1984
  44. 1995 Ford Probe SE 2.0L L4 cid:122 cc:1989
  45. 1995 Volkswagen Jetta GLS 2.0L L4 cid:121 cc:1984
  46. 1995 Ford Escort LX Sport 1.9L L4 cid:116
  47. 1995 Ford Escort Base 1.9L L4 cid:116
  48. 1995 Volkswagen Golf GTI 2.0L L4 cid:121 cc:1984
  49. 1995 Volkswagen Golf GTI VR6 2.8L V6 cc:2771
  50. 1995 Volkswagen Golf GL 2.0L L4 cid:121 cc:1984
  51. 1994 Volkswagen Jetta CL 1.8L L4 cid:109 cc:1788
  52. 1994 Ford Escort LX Sport 1.9L L4 cid:116
  53. 1994 Ford Probe SE 2.0L L4 cid:122 cc:1989
  54. 1994 Ford Probe Base 2.0L L4 cid:122 cc:1989
  55. 1994 Ford Thunderbird
  56. 1994 Jeep Wrangler Renegade 4.0L L6 cid:242
  57. 1994 Jeep Wrangler SE 4.0L L6 cid:242
  58. 1994 Volkswagen Golf
  59. 1994 Jeep Wrangler Sahara 4.0L L6 cid:242
  60. 1994 Volkswagen Jetta Base 1.8L L4 cid:109 cc:1788
  61. 1994 Ford Escort Base 1.9L L4 cid:116
  62. 1994 Volkswagen Jetta GLX 2.8L V6 cc:2771
  63. 1994 Volkswagen Jetta GL 2.0L L4 cid:121 cc:1984
  64. 1994 Volkswagen Jetta GLS 2.0L L4 cid:121 cc:1984
  65. 1994 Ford Escort LX 1.9L L4 cid:116
  66. 1993 Jeep Wrangler Sahara 4.0L L6 cid:242
  67. 1993 Volkswagen Jetta GL 2.0L L4 cid:121 cc:1984
  68. 1993 Volkswagen Jetta GLS 2.0L L4 cid:121 cc:1984
  69. 1993 Ford Probe SE 2.0L L4 cid:122 cc:1989
  70. 1993 Ford Thunderbird
  71. 1993 Jeep Wrangler Base 2.5L L4 cid:150
  72. 1993 Volkswagen Jetta Base 1.8L L4 cid:109 cc:1788
  73. 1993 Ford Escort LX Sport 1.9L L4 cid:116
  74. 1993 Ford Escort Sport 1.9L L4 cid:116
  75. 1993 Ford Probe Base 2.0L L4 cid:122 cc:1989
  76. 1993 Ford Escort Base 1.9L L4 cid:116
  77. 1993 Ford Escort LX 1.9L L4 cid:116
  78. 1993 Jeep Wrangler Base 4.0L L6 cid:242
  79. 1993 Jeep Wrangler Renegade 4.0L L6 cid:242
  80. 1992 Jeep Wrangler Renegade 4.0L L6 cid:242
  81. 1992 Ford Probe GL 2.2L L4 cid:133
  82. 1992 Jeep Wrangler Sahara 4.0L L6 cid:242
  83. 1992 Volkswagen Jetta 2.0L L4 cid:121 cc:1984
  84. 1992 Ford Escort Base 1.9L L4 cid:116
  85. 1992 Ford Escort LX 1.9L L4 cid:116
  86. 1992 Ford Escort LX Sport 1.9L L4 cid:116
  87. 1992 Volkswagen Golf
  88. 1992 Jeep Wrangler Islander 4.0L L6 cid:242
  89. 1992 Jeep Wrangler Base 4.0L L6 cid:242
  90. 1992 Volkswagen Jetta 1.8L L4 cc:1780
  91. 1992 Ford Probe Base 2.2L L4 cid:133
  92. 1992 Ford Thunderbird
  93. 1992 Ford Probe GT 2.2L L4 cid:133
  94. 1992 Jeep Wrangler Base 2.5L L4 cid:150
  95. 1991 Jeep Wrangler Sahara 2.5L L4 cid:150
  96. 1991 Jeep Wrangler Sahara 4.0L L6 cid:242
  97. 1991 Jeep Wrangler Islander 2.5L L4 cid:150
  98. 1991 Ford Probe GT 2.2L L4 cid:133
  99. 1991 Volkswagen Jetta 2.0L L4 cid:121 cc:1984
  100. 1991 Ford Escort Base 1.9L L4 cid:116
  101. 1991 Ford Escort LX 1.9L L4 cid:116
  102. 1991 Volkswagen Golf
  103. 1991 Volkswagen Jetta 1.8L L4 cc:1780
  104. 1991 Ford Escort LX Sport 1.9L L4 cid:116
  105. 1991 Jeep Wrangler Renegade 4.0L L6 cid:242
  106. 1991 Ford Probe GL 2.2L L4 cid:133
  107. 1991 Ford Probe Base 2.2L L4 cid:133
  108. 1991 Jeep Wrangler Base 2.5L L4 cid:150
  109. 1991 Ford Thunderbird
  110. 1991 Jeep Wrangler Islander 4.0L L6 cid:242
  111. 1991 Jeep Wrangler Base 4.0L L6 cid:242
  112. 1990 Ford Probe GL 2.2L L4 cid:133
  113. 1990 Jeep Wrangler
  114. 1990 Volkswagen Jetta 2.0L L4 cid:121 cc:1984
  115. 1990 Ford Thunderbird
  116. 1990 Ford Probe GT 2.2L L4 cid:133
  117. 1990 Volkswagen Golf
  118. 1990 Ford Escort
  119. 1990 Volkswagen Jetta 1.8L L4 cc:1780
  120. 1989 Ford Escort
  121. 1989 Volkswagen Jetta 1.8L L4 cc:1780
  122. 1989 Volkswagen Golf
  123. 1989 Jeep Wrangler
  124. 1989 Ford Thunderbird
  125. 1989 Ford Probe
  126. 1988 Jeep Wrangler Base 2.5L L4 cid:150
  127. 1988 Ford Escort
  128. 1988 Jeep Wrangler Laredo 4.2L L6 cid:258
  129. 1988 Jeep Wrangler Sahara 2.5L L4 cid:150
  130. 1988 Jeep Wrangler Laredo 2.5L L4 cid:150
  131. 1988 Jeep Wrangler Base 4.2L L6 cid:258
  132. 1988 Jeep Wrangler Sport 2.5L L4 cid:150
  133. 1988 Volkswagen Golf
  134. 1988 Jeep Wrangler Islander 4.2L L6 cid:258
  135. 1988 Volkswagen Jetta 1.8L L4 cc:1780
  136. 1988 Jeep Wrangler Sahara 4.2L L6 cid:258
  137. 1988 Jeep Wrangler Sport 4.2L L6 cid:258
  138. 1987 Volkswagen Jetta Base 1.8L L4 cc:1780
  139. 1987 Volkswagen Jetta GL 1.8L L4 cc:1780
  140. 1987 Volkswagen Jetta GLI 1.8L L4 cc:1780
  141. 1987 Volkswagen Jetta GLI 16 Valve 1.8L L4 cc:1780
  142. 1987 Jeep Wrangler
  143. 1987 Volkswagen Golf
  144. 1987 Ford Escort 1.9L L4 cid:116
  145. 1986 Volkswagen Golf
  146. 1986 Ford Escort 1.9L L4 cid:116
  147. 1985 Ford Escort 1.6L L4 cid:98 cc:1598
  148. 1985 Volkswagen Golf
  149. 1985 Ford Escort 1.9L L4 cid:116
  150. 1984 Ford Escort 1.6L L4 cid:98 cc:1598
  151. 1983 Ford Escort
  152. 1967 Chevrolet Chevy II 5.3L V8 cid:327 cc:5358
  153. 1967 Chevrolet Chevy II 4.6L V8 cid:283 cc:4638
  154. 1966 Ford Mustang Base 3.3L L6 cid:200 cc:3277
  155. 1966 Ford Mustang Base 4.7L V8 cid:289 cc:4727
  156. 1966 Chevrolet Chevy II 5.4L V8 cid:327
  157. 1966 Chevrolet Chevy II 4.6L V8 cid:283 cc:4638
  158. 1966 Chevrolet Chevy II 4.6L V8 cid:283
  159. 1966 Chevrolet Chevy II 5.3L V8 cid:327 cc:5358
  160. 1965 Chevrolet Chevy II 4.6L V8 cid:283 cc:4638
  161. 1965 Chevrolet Chevy II 5.3L V8 cid:327 cc:5358
  162. 1965 Ford Mustang Base 4.7L V8 cid:289 cc:4727
  163. 1965 Chevrolet Chevy II 4.6L V8 cid:283
  164. 1965 Ford Mustang Base 4.3L V8 cid:260 cc:4261
  165. 1965 Ford Mustang Base 3.3L L6 cid:200 cc:3277
  166. 1965 Ford Mustang Base 2.8L L6 cid:170 cc:2786
  167. 1965 Chevrolet Chevy II 5.4L V8 cid:327
  168. 1964 Chevrolet Biscayne 6.7L V8 cid:409 cc:6704
  169. 1964 Chevrolet Bel Air 4.6L V8 cid:283 cc:4638
  170. 1964 Chevrolet Biscayne 4.6L V8 cid:283 cc:4638
  171. 1964 Chevrolet Biscayne 5.3L V8 cid:327 cc:5358
  172. 1964 Chevrolet Bel Air 6.7L V8 cid:409 cc:6704
  173. 1964 Chevrolet Bel Air 5.3L V8 cid:327 cc:5358
  174. 1964 Chevrolet Impala 5.3L V8 cid:327 cc:5358
  175. 1964 Chevrolet Impala 4.6L V8 cid:283 cc:4638
  176. 1964 Chevrolet Impala 6.7L V8 cid:409
  177. 1964 Chevrolet Impala 5.4L V8 cid:327
  178. 1964 Ford Mustang
  179. 1964 Chevrolet Impala 6.7L V8 cid:409 cc:6704
  180. 1964 Chevrolet Chevy II 4.6L V8 cid:283 cc:4638
  181. 1964 Chevrolet El Camino 4.6L V8 cid:283 cc:4638
  182. 1964 Chevrolet Chevy II 4.6L V8 cid:283
  183. 1964 Chevrolet El Camino 5.3L V8 cid:327 cc:5358
  184. 1964 Chevrolet Impala 4.6L V8 cid:283
  185. 1963 Chevrolet Biscayne 4.6L V8 cid:283 cc:4638
  186. 1963 Chevrolet Biscayne 5.3L V8 cid:327 cc:5358
  187. 1963 Chevrolet Bel Air 4.6L V8 cid:283 cc:4638
  188. 1963 Chevrolet Bel Air 5.3L V8 cid:327 cc:5358
  189. 1963 Chevrolet Bel Air 6.7L V8 cid:409 cc:6704
  190. 1963 Chevrolet Bel Air 7.0L V8 cid:427 cc:6997
  191. 1963 Chevrolet Biscayne 6.7L V8 cid:409 cc:6704
  192. 1963 Chevrolet Biscayne 7.0L V8 cid:427 cc:6997
  193. 1963 Chevrolet Chevy II 4.6L V8 cid:283 cc:4638
  194. 1963 Chevrolet Impala 6.7L V8 cid:409 cc:6704
  195. 1963 Chevrolet Impala 5.3L V8 cid:327 cc:5358
  196. 1963 Chevrolet Impala 4.6L V8 cid:283 cc:4638
  197. 1963 Chevrolet Impala 7.0L V8 cid:427 cc:6997
  198. 1962 Chevrolet Impala 6.7L V8 cid:409 cc:6704
  199. 1962 Chevrolet Impala 4.6L V8 cid:283 cc:4638
  200. 1962 Chevrolet Bel Air 4.6L V8 cid:283 cc:4638
  201. 1962 Chevrolet Bel Air 5.3L V8 cid:327 cc:5358
  202. 1962 Chevrolet Bel Air 6.7L V8 cid:409 cc:6704
  203. 1962 Chevrolet Biscayne 4.6L V8 cid:283 cc:4638
  204. 1962 Chevrolet Biscayne 5.3L V8 cid:327 cc:5358
  205. 1962 Chevrolet Biscayne 6.7L V8 cid:409 cc:6704
  206. 1962 Chevrolet Impala 5.3L V8 cid:327 cc:5358
  207. 1961 Chevrolet Bel Air 4.6L V8 cid:283 cc:4638
  208. 1961 Chevrolet Bel Air 5.7L V8 cid:348 cc:5704
  209. 1961 Chevrolet Impala 5.7L V8 cid:348 cc:5704
  210. 1961 Chevrolet Impala 6.7L V8 cid:409 cc:6704
  211. 1961 Chevrolet Bel Air 6.7L V8 cid:409 cc:6704
  212. 1961 Chevrolet Impala 4.6L V8 cid:283 cc:4638
  213. 1961 Chevrolet Biscayne 6.7L V8 cid:409 cc:6704
  214. 1961 Chevrolet Biscayne 5.7L V8 cid:348 cc:5704
  215. 1961 Chevrolet Biscayne 4.6L V8 cid:283 cc:4638
  216. 1960 Chevrolet El Camino 4.6L V8 cid:283 cc:4638
  217. 1960 Chevrolet El Camino 5.7L V8 cid:348 cc:5704
  218. 1960 Chevrolet Impala 5.7L V8 cid:348 cc:5704
  219. 1960 Chevrolet Impala 4.6L V8 cid:283 cc:4638
  220. 1960 Chevrolet Bel Air 4.6L V8 cid:283 cc:4638
  221. 1960 Chevrolet Bel Air 5.7L V8 cid:348 cc:5704
  222. 1960 Chevrolet Biscayne Fleetmaster 5.7L V8 cid:348
  223. 1960 Chevrolet Biscayne Fleetmaster 4.6L V8 cid:283
  224. 1960 Chevrolet Biscayne Base 5.7L V8 cid:348 cc:5704
  225. 1960 Chevrolet Biscayne Base 4.6L V8 cid:283 cc:4638
  226. 1959 Chevrolet Biscayne 5.7L V8 cid:348 cc:5704
  227. 1959 Chevrolet El Camino 4.6L V8 cid:283 cc:4638
  228. 1959 Chevrolet Bel Air 5.7L V8 cid:348 cc:5704
  229. 1959 Chevrolet Bel Air 4.6L V8 cid:283 cc:4638
  230. 1959 Chevrolet El Camino 5.7L V8 cid:348 cc:5704
  231. 1959 Chevrolet Impala 4.6L V8 cid:283 cc:4638
  232. 1959 Chevrolet Impala 5.7L V8 cid:348 cc:5704
  233. 1959 Chevrolet Biscayne 4.6L V8 cid:283 cc:4638
  234. 1958 Chevrolet Biscayne 5.7L V8 cid:348 cc:5704
  235. 1958 Chevrolet Biscayne 4.6L V8 cid:283 cc:4638
  236. 1958 Chevrolet Bel Air 5.7L V8 cid:348 cc:5704
  237. 1958 Chevrolet Bel Air 4.6L V8 cid:283 cc:4638
  238. 1958 Chevrolet Del Ray 5.7L V8 cid:348 cc:5704
  239. 1958 Chevrolet Del Ray 4.6L V8 cid:283 cc:4638
  240. 1957 Chevrolet Two-Ten Series 4.6L V8 cid:283 cc:4638
  241. 1957 Chevrolet Bel Air 4.6L V8 cid:283
  242. 1957 Chevrolet Bel Air 4.6L V8 cid:283 cc:4638
  243. 1957 Chevrolet Two-Ten Series 4.3L V8 cid:265 cc:4343
  244. 1956 Chevrolet Bel Air 4.3L V8 cid:265
  245. 1956 Chevrolet Bel Air 4.3L V8 cid:265 cc:4343
  246. 1956 Chevrolet Two-Ten Series 4.3L V8 cid:265 cc:4343
  247. 1955 Chevrolet Bel Air 4.3L V8 cid:265
  248. 1955 Chevrolet Bel Air 4.3L V8 cid:265 cc:4343
  249. 1955 Chevrolet Two-Ten Series 4.3L V8 cid:265 cc:4343
  250. show all...
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About this product

Part #: 942042

This two chamber design incorporates Flowmaster's patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

More Details

Automotive Item GradeHigh Performance
Body Height4.000 in.
Body Length13.000 in.
Body Width9.750 in.
ColorBlack
FitmentUniversal
Inlet Connection TypePipe
Inlet Diameter2.000 in.
Inlet Inside Diameter2.000 in.
Inlet Outside Diameter2.000 in.
Inlet PositionCenter
Inlet TypeSingle Center
Main Piping Diameter2.000 in.
MaterialAluminized Steel
Mount TypeUses New Hangers (Not Included)
Muffler Series40 Series Delta Flow
Muffler TypeReflection
Outlet Connection TypePipe
Outlet Diameter2.000 in.
Outlet Outside Diameter2.000 in.
Outlet PositionOffset
Outlet TypeSingle Offset Outlet
Overall Length19.000 in.
ShapeOval
Sound LevelAggressive
Tip Quantity0
TitleFlowmaster 942042 40 Delta Flow Muffler - 2.00 Center In / 2.00 Offset Out - Aggressive Sound
Additional Documents
  1. Certificate of Originpdf
  2. Warrantypdf

See what our community says about flowmaster products

product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Sounded the best in my opinion. Very nice burble with stock exhaust manifolds and reasonable volume when you wind out the car. Just had a great muscle car sound in my opinion.
View on Jeffrey's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Classic Flowmaster sound.
Is this your first time buying from this brand? Did you consider other brands?
No, installed on other cars as well
Once you've had a chance to use the product, did it meet your expectations?
Nice sound and not too heavy on the wallet.
View on Tyler's build
Kevin Westhoff

39

Kevin Westhoff
2003 Ford F-150
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
my family has bought from flow master before, and the cost was low, and the note it makes at idle is amazing but not too loud
Is this your first time buying from this brand? Did you consider other brands?
i considered several others but flow master took my heart with the signature truck note
Was it easy to install? Any installation tips that will help others?
i installed it myself i welded it in
View on Kevin's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
It was on the car when I got it.
Was it easy to install? Any installation tips that will help others?
Yep cuz someone else did it!
Once you've had a chance to use the product, did it meet your expectations?
Sounds good, tempted to a muffler delete because it needs more loud.
View on Tommy's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
The sound output. Just right
Is this your first time buying from this brand? Did you consider other brands?
Yes, No.
Was it easy to install? Any installation tips that will help others?
Vary easy and light weight. Be sure to install in in the right orientation or you will need to take it off and redo it. (dont ask)
Once you've had a chance to use the product, did it meet your expectations?
Exceeded them!
View on Michael's build
California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

*Some manufacturer restrictions apply.

About Flowmaster

Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels.

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