Floor To Firewall Extension Driver Side 1965-1970

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CJ's Part Number: M126L
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Floor To Firewall Extension Passenger Side 1965-1970 - In Stock
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Floor To Firewall Extension Driver Side 1965-1970
Floor To Firewall Extension Driver Side 1965-1970 Play Floor To Firewall Extension Driver Side 1965-1970 Video 1

Product Description

Driver Side Floor to Firewall Extension for all 1965, 1966, 1967, 1968, 1969 and 1970 Mustangs.

As you're restoring your classic 1965-1970 Mustang, you're probably coming across a lot of rusted metal parts, especially on the floor. Sometimes you might need to replace the entire floor pan, but other times you might need to replace only the toe board. If that's the case, you should definitely check out this Floor to Firewall Extension!

Features & Benefits:
- Connects the Front of Your Mustang's Floor Pan to the Bottom of the Firewall
- Fits on the Driver Side
- Measures 18" x 22"
- Made of Durable Sheet Metal

This Driver Side Floor to Firewall Extension measures 18" x 22".  Sometimes referred to as a "toe board," it connects the front of your floor pan to the bottom of your firewall, and it's included with the firewall panel too. After you're done installing this, your Mustang's floor will be more stable, and you'll be one step closer to a fully restored 'Stang.

Please Note: This Floor to Firewall Extension will require slight modifications to fit 1967-1970 Mustangs.

CJ Pony Parts is a great place to find just about any of the Mustang sheet metal you might need to finish a build or perform a quick repair!

Order a Driver Side Floor to Firewall Extension for your 1965, 1966, 1967, 1968, 1969 or 1970 Mustang from CJ Pony Parts today!

Similar Mustang Parts

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Installation Instructions

Mustang Installation

Mustang Applications

This product will fit the following Mustang years:

Product Reviews

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Floor To Firewall Extension Driver Side 1965-1970 is rated 3.9 out of 5 by 7.
Rated 5 out of 5 by from floor to firewall extention My firewall had a rusted spot just below the master cylinder I didn't want to replace the whole firewall so I purchased this and was lucky enough that it went up far enough to find good metal to weld it in. Just wished dynocorp made them since their parts seem to fit with less modification.
Date published: 2016-03-24
Rated 3 out of 5 by from Still good value. This required a lot of work to make fit. The flange that welds to rocker pannel is bent incorrectly at both ends (top and bottom ) . With the flange flat against the cowl side pannel there is a 1/4 inch gap at the top and 1/2 inch at the bottom requiring cutting pannel and welding in a pie shaped piece. After that I had to stretch the flange to get the bends correct to fit at the firewall and floor pan.
Date published: 2017-01-02
Rated 4 out of 5 by from Floor to Firewall Extension Did not need the entire piece as only had a small hole but it was worth the purchase and was able to install and ensure that the entire floor was stable. looks good as new
Date published: 2015-09-20
Rated 1 out of 5 by from Poor fitting This piece has bends in the wrong locations, the opposite direction. More time and effort to fit than worth.
Date published: 2016-01-04
Rated 5 out of 5 by from Worked great I cut out the piece I needed, welded it in, it fit great. Shipping was very fast.
Date published: 2015-02-12
Rated 5 out of 5 by from floor to firewall extention good fit and quality very prompt service very pleased
Date published: 2015-08-29
Rated 4 out of 5 by from Good quality and fitment Happy with the parts as always from your selection.
Date published: 2016-12-01
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Product Questions

I just received this part for my 67. I read that it needed to have slight modifications done to it to fit. What exactly are those modifications? What I see that is different is the left hand flange is bent down instead of up like a convertible.

Asked by: thepenguin40
This is cut to fit, you only need to remove the bad part of your original floor and cut this to fit your needs.
Answered by: rk cjpp
Date published: 2017-01-29
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Product Video

Floor To Firewall Extension Driver Side 1965-1970 Video Transcript
By Bill Tumas: We’re here with a driver side floor to firewall extension fitting your 1965 through 1970 Mustang. The floor to firewall extension is also known as the toe-board and is a very commonly rusted out part on your 1965 through 1970 Mustang. This piece is going to go from the front of your floor pan and extend up to your firewall. If you have a leaky cowl many times the bottom edges will get rotted out. This will fit 1965 through 1970 Mustangs. It will require some modifications for 1967 through 1970 or any 1965 through 1966 that has had a torque box added to it. When installed on a car with torque boxes we do recommend cutting out the toe-board around the torque box so you don't have metal on metal which can cause condensation and rust in the future. Matching passenger side is also available.