FREE SHIPPING ON ORDERS OVER $199

Rainier Diesel
Rainier Diesel

Cart

MADS Smarty J-67US JR Tuner | 07-09 6.7L Cummins
MADS Smarty J-67US JR Tuner | 07-09 6.7L Cummins
1 × $495.00
MADS Smarty SJ-06 JR Tuner | 03-07 5.9L Cummins
MADS Smarty SJ-06 JR Tuner | 03-07 5.9L Cummins
1 × $495.00
MADS Smarty S-06POD Tuner | 03-07 5.9L Cummins
MADS Smarty S-06POD Tuner | 03-07 5.9L Cummins
1 × $685.00
Subtotal: $1,675.00
View cart Checkout
  • MADS Smarty J-6710US JR Tuner | 10-11 6.7L Cummins

    MADS Smarty J-6710US JR Tuner | 10-11 6.7L Cummins

    $495.00

    Vehicle Fitment: 2010-2011 Dodge 6.7L Cummins

    Add to cart
  • MADS Smarty J-67US JR Tuner | 07-09 6.7L Cummins

    MADS Smarty J-67US JR Tuner | 07-09 6.7L Cummins

    $495.00

    Vehicle Fitment: 2007-2009 Dodge 6.7L Cummins

    Add to cart
  • MADS Smarty S-03 Tuner | 98.5-02 5.9L Cummins

    MADS Smarty S-03 Tuner | 98.5-02 5.9L Cummins

    $645.00

    Vehicle Fitment: 1998.5-2002 Dodge 5.9L Cummins

    Add to cart
  • MADS Smarty S-06POD Tuner | 03-07 5.9L Cummins

    MADS Smarty S-06POD Tuner | 03-07 5.9L Cummins

    $685.00

    Vehicle Fitment: 2003-2007 Dodge 5.9L Cummins

    Add to cart
  • MADS Smarty SJ-06 JR Tuner | 03-07 5.9L Cummins

    MADS Smarty SJ-06 JR Tuner | 03-07 5.9L Cummins

    $495.00

    Vehicle Fitment: 2003-2007 Dodge 5.9L Cummins

    Add to cart

All other logos and trademarks are the property of their respective owners

© Copyright Rainer Diesel Performance - All Rights Reserved 2026

add_action( 'woocommerce_single_product_summary', 'wc_ninja_add_brand_to_product_page', 19 ); function wc_ninja_add_brand_to_product_page() { echo do_shortcode('[product_brand width="64px" height="64px" class="alignright"]'); }