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LS Gen 4 Throttle Body Extension DBW 6-Wire 5.3 6.2 L59 LC9 LMG LQ4 LQ9 LM7 L76

Marsoni M251S
Sale price$43.99
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Get it in 3 business days with 1 day shipping. Friday, May 29
LS Gen 4 Throttle Body Extension DBW 6-Wire 5.3 6.2 L59 LC9 LMG LQ4 LQ9 LM7 L76LS Gen 4 Drive By Wire Throttle Body 6 Wire 12" Extension Sealed, crimped and assembled in Wichita Kansas, with USA made, OEM grade, TXL wire Every assembly is individually hand tested to ensure it exceeds OEM standards Compatible with 2008 and newer GM series engines with 6 terminal Throttle Body Connector Drive by Wire applications Includes: 1pc wire extension harness Assembled with OEM tooling, OEM Delphi (connector, lock, seals, and
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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4.0 ★★★★★
Based on 955 reviews
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Verified Purchase
Odin M Turner
Lexington, US
★★★★★ 4
Good product
Model: 36 SqFt(3.4 SqM)
Easy to roll out. Works great  Why did you pick this product vs others?: Fair price for the amount of coverage, good quality  Works well: Easy to install, rolls out great. Forms to contours well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 13, 2025
B
Verified Purchase
BRIAN HEATH
Belleville, US
★★★★★ 5
Great product
Model: 36 SqFt(3.4 SqM)
I used this on the doors of a Toyota Tacoma, worked as it described. Reduced the road noise significantly.. Need to buy another box for the floor and roof of the truck..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
T
Verified Purchase
TimtheK
Lowell, US
★★★★★ 5
Great product - Add foam product for complete solution
Model: 36 SqFt(3.4 SqM)
Used in two cars with speaker upgrades. Easy to install but get the roller for assured adhesion.removes "tinnyness" from large metal resonators. Use with foam absorptive material for a complete system.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
T
Verified Purchase
TitothePinkTorpedo
Massapequa, US
★★★★★ 5
Great Product for noise reduction in Auto Use.
Model: 36 SqFt(3.4 SqM)
I use this on many builds to dampen the metal echo in cars, vans, and trucks. Just one sheet in the center of a body panel is a huge difference maker. You can also cover the entire surface and get added insulation value. The noise is greatly depleted and it's easy to install with a roller tool. Looks Great when done. Good Product I will use again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
C
Verified Purchase
chris cook
Boise, US
★★★★★ 5
Great, affordable upgrade
Style: 36 Sqft 80 mil
Easy to use and install. Great upgrade
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026

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